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'); 23 | } 24 | 25 | $.imgAreaSelect = function (img, options) { 26 | var 27 | 28 | $img = $(img), 29 | 30 | imgLoaded, 31 | 32 | $box = div(), 33 | $area = div(), 34 | $border = div().add(div()).add(div()).add(div()), 35 | $outer = div().add(div()).add(div()).add(div()), 36 | $handles = $([]), 37 | 38 | $areaOpera, 39 | 40 | left, top, 41 | 42 | imgOfs = { left: 0, top: 0 }, 43 | 44 | imgWidth, imgHeight, 45 | 46 | $parent, 47 | 48 | parOfs = { left: 0, top: 0 }, 49 | 50 | zIndex = 0, 51 | 52 | position = 'absolute', 53 | 54 | startX, startY, 55 | 56 | scaleX, scaleY, 57 | 58 | resize, 59 | 60 | minWidth, minHeight, maxWidth, maxHeight, 61 | 62 | aspectRatio, 63 | 64 | shown, 65 | 66 | x1, y1, x2, y2, 67 | 68 | selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 }, 69 | 70 | docElem = document.documentElement, 71 | 72 | ua = navigator.userAgent, 73 | 74 | $p, d, i, o, w, h, adjusted; 75 | 76 | function viewX(x) { 77 | return x + imgOfs.left - parOfs.left; 78 | } 79 | 80 | function viewY(y) { 81 | return y + imgOfs.top - parOfs.top; 82 | } 83 | 84 | function selX(x) { 85 | return x - imgOfs.left + parOfs.left; 86 | } 87 | 88 | function selY(y) { 89 | return y - imgOfs.top + parOfs.top; 90 | } 91 | 92 | function evX(event) { 93 | return event.pageX - parOfs.left; 94 | } 95 | 96 | function evY(event) { 97 | return event.pageY - parOfs.top; 98 | } 99 | 100 | function getSelection(noScale) { 101 | var sx = noScale || scaleX, sy = noScale || scaleY; 102 | 103 | return { x1: round(selection.x1 * sx), 104 | y1: round(selection.y1 * sy), 105 | x2: round(selection.x2 * sx), 106 | y2: round(selection.y2 * sy), 107 | width: round(selection.x2 * sx) - round(selection.x1 * sx), 108 | height: round(selection.y2 * sy) - round(selection.y1 * sy) }; 109 | } 110 | 111 | function setSelection(x1, y1, x2, y2, noScale) { 112 | var sx = noScale || scaleX, sy = noScale || scaleY; 113 | 114 | selection = { 115 | x1: round(x1 / sx || 0), 116 | y1: round(y1 / sy || 0), 117 | x2: round(x2 / sx || 0), 118 | y2: round(y2 / sy || 0) 119 | }; 120 | 121 | selection.width = selection.x2 - selection.x1; 122 | selection.height = selection.y2 - selection.y1; 123 | } 124 | 125 | function adjust() { 126 | if (!imgLoaded || !$img.width()) 127 | return; 128 | 129 | imgOfs = { left: round($img.offset().left), top: round($img.offset().top) }; 130 | 131 | imgWidth = $img.innerWidth(); 132 | imgHeight = $img.innerHeight(); 133 | 134 | imgOfs.top += ($img.outerHeight() - imgHeight) >> 1; 135 | imgOfs.left += ($img.outerWidth() - imgWidth) >> 1; 136 | 137 | minWidth = round(options.minWidth / scaleX) || 0; 138 | minHeight = round(options.minHeight / scaleY) || 0; 139 | maxWidth = round(min(options.maxWidth / scaleX || 1<<24, imgWidth)); 140 | maxHeight = round(min(options.maxHeight / scaleY || 1<<24, imgHeight)); 141 | 142 | if ($().jquery == '1.3.2' && position == 'fixed' && 143 | !docElem['getBoundingClientRect']) 144 | { 145 | imgOfs.top += max(document.body.scrollTop, docElem.scrollTop); 146 | imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft); 147 | } 148 | 149 | parOfs = /absolute|relative/.test($parent.css('position')) ? 150 | { left: round($parent.offset().left) - $parent.scrollLeft(), 151 | top: round($parent.offset().top) - $parent.scrollTop() } : 152 | position == 'fixed' ? 153 | { left: $(document).scrollLeft(), top: $(document).scrollTop() } : 154 | { left: 0, top: 0 }; 155 | 156 | left = viewX(0); 157 | top = viewY(0); 158 | 159 | if (selection.x2 > imgWidth || selection.y2 > imgHeight) 160 | doResize(); 161 | } 162 | 163 | function update(resetKeyPress) { 164 | if (!shown) return; 165 | 166 | $box.css({ left: viewX(selection.x1), top: viewY(selection.y1) }) 167 | .add($area).width(w = selection.width).height(h = selection.height); 168 | 169 | $area.add($border).add($handles).css({ left: 0, top: 0 }); 170 | 171 | $border 172 | .width(max(w - $border.outerWidth() + $border.innerWidth(), 0)) 173 | .height(max(h - $border.outerHeight() + $border.innerHeight(), 0)); 174 | 175 | $($outer[0]).css({ left: left, top: top, 176 | width: selection.x1, height: imgHeight }); 177 | $($outer[1]).css({ left: left + selection.x1, top: top, 178 | width: w, height: selection.y1 }); 179 | $($outer[2]).css({ left: left + selection.x2, top: top, 180 | width: imgWidth - selection.x2, height: imgHeight }); 181 | $($outer[3]).css({ left: left + selection.x1, top: top + selection.y2, 182 | width: w, height: imgHeight - selection.y2 }); 183 | 184 | w -= $handles.outerWidth(); 185 | h -= $handles.outerHeight(); 186 | 187 | switch ($handles.length) { 188 | case 8: 189 | $($handles[4]).css({ left: w >> 1 }); 190 | $($handles[5]).css({ left: w, top: h >> 1 }); 191 | $($handles[6]).css({ left: w >> 1, top: h }); 192 | $($handles[7]).css({ top: h >> 1 }); 193 | case 4: 194 | $handles.slice(1,3).css({ left: w }); 195 | $handles.slice(2,4).css({ top: h }); 196 | } 197 | 198 | if (resetKeyPress !== false) { 199 | if ($.imgAreaSelect.onKeyPress != docKeyPress) 200 | $(document).unbind($.imgAreaSelect.keyPress, 201 | $.imgAreaSelect.onKeyPress); 202 | 203 | if (options.keys) 204 | $(document)[$.imgAreaSelect.keyPress]( 205 | $.imgAreaSelect.onKeyPress = docKeyPress); 206 | } 207 | 208 | if (msie && $border.outerWidth() - $border.innerWidth() == 2) { 209 | $border.css('margin', 0); 210 | setTimeout(function () { $border.css('margin', 'auto'); }, 0); 211 | } 212 | } 213 | 214 | function doUpdate(resetKeyPress) { 215 | adjust(); 216 | update(resetKeyPress); 217 | x1 = viewX(selection.x1); y1 = viewY(selection.y1); 218 | x2 = viewX(selection.x2); y2 = viewY(selection.y2); 219 | } 220 | 221 | function hide($elem, fn) { 222 | options.fadeSpeed ? $elem.fadeOut(options.fadeSpeed, fn) : $elem.hide(); 223 | 224 | } 225 | 226 | function areaMouseMove(event) { 227 | var x = selX(evX(event)) - selection.x1, 228 | y = selY(evY(event)) - selection.y1; 229 | 230 | if (!adjusted) { 231 | adjust(); 232 | adjusted = true; 233 | 234 | $box.one('mouseout', function () { adjusted = false; }); 235 | } 236 | 237 | resize = ''; 238 | 239 | if (options.resizable) { 240 | if (y <= options.resizeMargin) 241 | resize = 'n'; 242 | else if (y >= selection.height - options.resizeMargin) 243 | resize = 's'; 244 | if (x <= options.resizeMargin) 245 | resize += 'w'; 246 | else if (x >= selection.width - options.resizeMargin) 247 | resize += 'e'; 248 | } 249 | 250 | $box.css('cursor', resize ? resize + '-resize' : 251 | options.movable ? 'move' : ''); 252 | if ($areaOpera) 253 | $areaOpera.toggle(); 254 | } 255 | 256 | function docMouseUp(event) { 257 | $('body').css('cursor', ''); 258 | if (options.autoHide || selection.width * selection.height == 0) 259 | hide($box.add($outer), function () { $(this).hide(); }); 260 | 261 | $(document).unbind('mousemove', selectingMouseMove); 262 | $box.mousemove(areaMouseMove); 263 | 264 | options.onSelectEnd(img, getSelection()); 265 | } 266 | 267 | function areaMouseDown(event) { 268 | if (event.which != 1) return false; 269 | 270 | adjust(); 271 | 272 | if (resize) { 273 | $('body').css('cursor', resize + '-resize'); 274 | 275 | x1 = viewX(selection[/w/.test(resize) ? 'x2' : 'x1']); 276 | y1 = viewY(selection[/n/.test(resize) ? 'y2' : 'y1']); 277 | 278 | $(document).mousemove(selectingMouseMove) 279 | .one('mouseup', docMouseUp); 280 | $box.unbind('mousemove', areaMouseMove); 281 | } 282 | else if (options.movable) { 283 | startX = left + selection.x1 - evX(event); 284 | startY = top + selection.y1 - evY(event); 285 | 286 | $box.unbind('mousemove', areaMouseMove); 287 | 288 | $(document).mousemove(movingMouseMove) 289 | .one('mouseup', function () { 290 | options.onSelectEnd(img, getSelection()); 291 | 292 | $(document).unbind('mousemove', movingMouseMove); 293 | $box.mousemove(areaMouseMove); 294 | }); 295 | } 296 | else 297 | $img.mousedown(event); 298 | 299 | return false; 300 | } 301 | 302 | function fixAspectRatio(xFirst) { 303 | if (aspectRatio) 304 | if (xFirst) { 305 | x2 = max(left, min(left + imgWidth, 306 | x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))); 307 | 308 | y2 = round(max(top, min(top + imgHeight, 309 | y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)))); 310 | x2 = round(x2); 311 | } 312 | else { 313 | y2 = max(top, min(top + imgHeight, 314 | y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))); 315 | x2 = round(max(left, min(left + imgWidth, 316 | x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)))); 317 | y2 = round(y2); 318 | } 319 | } 320 | 321 | function doResize() { 322 | x1 = min(x1, left + imgWidth); 323 | y1 = min(y1, top + imgHeight); 324 | 325 | if (abs(x2 - x1) < minWidth) { 326 | x2 = x1 - minWidth * (x2 < x1 || -1); 327 | 328 | if (x2 < left) 329 | x1 = left + minWidth; 330 | else if (x2 > left + imgWidth) 331 | x1 = left + imgWidth - minWidth; 332 | } 333 | 334 | if (abs(y2 - y1) < minHeight) { 335 | y2 = y1 - minHeight * (y2 < y1 || -1); 336 | 337 | if (y2 < top) 338 | y1 = top + minHeight; 339 | else if (y2 > top + imgHeight) 340 | y1 = top + imgHeight - minHeight; 341 | } 342 | 343 | x2 = max(left, min(x2, left + imgWidth)); 344 | y2 = max(top, min(y2, top + imgHeight)); 345 | 346 | fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio); 347 | 348 | if (abs(x2 - x1) > maxWidth) { 349 | x2 = x1 - maxWidth * (x2 < x1 || -1); 350 | fixAspectRatio(); 351 | } 352 | 353 | if (abs(y2 - y1) > maxHeight) { 354 | y2 = y1 - maxHeight * (y2 < y1 || -1); 355 | fixAspectRatio(true); 356 | } 357 | 358 | selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)), 359 | y1: selY(min(y1, y2)), y2: selY(max(y1, y2)), 360 | width: abs(x2 - x1), height: abs(y2 - y1) }; 361 | 362 | update(); 363 | 364 | options.onSelectChange(img, getSelection()); 365 | } 366 | 367 | function selectingMouseMove(event) { 368 | x2 = /w|e|^$/.test(resize) || aspectRatio ? evX(event) : viewX(selection.x2); 369 | y2 = /n|s|^$/.test(resize) || aspectRatio ? evY(event) : viewY(selection.y2); 370 | 371 | doResize(); 372 | 373 | return false; 374 | 375 | } 376 | 377 | function doMove(newX1, newY1) { 378 | x2 = (x1 = newX1) + selection.width; 379 | y2 = (y1 = newY1) + selection.height; 380 | 381 | $.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2), 382 | y2: selY(y2) }); 383 | 384 | update(); 385 | 386 | options.onSelectChange(img, getSelection()); 387 | } 388 | 389 | function movingMouseMove(event) { 390 | x1 = max(left, min(startX + evX(event), left + imgWidth - selection.width)); 391 | y1 = max(top, min(startY + evY(event), top + imgHeight - selection.height)); 392 | 393 | doMove(x1, y1); 394 | 395 | event.preventDefault(); 396 | 397 | return false; 398 | } 399 | 400 | function startSelection() { 401 | $(document).unbind('mousemove', startSelection); 402 | adjust(); 403 | 404 | x2 = x1; 405 | y2 = y1; 406 | 407 | doResize(); 408 | 409 | resize = ''; 410 | 411 | if (!$outer.is(':visible')) 412 | $box.add($outer).hide().fadeIn(options.fadeSpeed||0); 413 | 414 | shown = true; 415 | 416 | $(document).unbind('mouseup', cancelSelection) 417 | .mousemove(selectingMouseMove).one('mouseup', docMouseUp); 418 | $box.unbind('mousemove', areaMouseMove); 419 | 420 | options.onSelectStart(img, getSelection()); 421 | } 422 | 423 | function cancelSelection() { 424 | $(document).unbind('mousemove', startSelection) 425 | .unbind('mouseup', cancelSelection); 426 | hide($box.add($outer)); 427 | 428 | setSelection(selX(x1), selY(y1), selX(x1), selY(y1)); 429 | 430 | if (!(this instanceof $.imgAreaSelect)) { 431 | options.onSelectChange(img, getSelection()); 432 | options.onSelectEnd(img, getSelection()); 433 | } 434 | } 435 | 436 | function imgMouseDown(event) { 437 | if (event.which != 1 || $outer.is(':animated')) return false; 438 | 439 | adjust(); 440 | startX = x1 = evX(event); 441 | startY = y1 = evY(event); 442 | 443 | $(document).mousemove(startSelection).mouseup(cancelSelection); 444 | 445 | return false; 446 | } 447 | 448 | function windowResize() { 449 | doUpdate(false); 450 | } 451 | 452 | function imgLoad() { 453 | imgLoaded = true; 454 | 455 | setOptions(options = $.extend({ 456 | classPrefix: 'imgareaselect', 457 | movable: true, 458 | parent: 'body', 459 | resizable: true, 460 | resizeMargin: 10, 461 | onInit: function () {}, 462 | onSelectStart: function () {}, 463 | onSelectChange: function () {}, 464 | onSelectEnd: function () {} 465 | }, options)); 466 | 467 | $box.add($outer).css({ visibility: '' }); 468 | 469 | if (options.show) { 470 | shown = true; 471 | adjust(); 472 | update(); 473 | $box.add($outer).hide().fadeIn(options.fadeSpeed||0); 474 | } 475 | 476 | setTimeout(function () { options.onInit(img, getSelection()); }, 0); 477 | } 478 | 479 | var docKeyPress = function(event) { 480 | var k = options.keys, d, t, key = event.keyCode; 481 | 482 | d = !isNaN(k.alt) && (event.altKey || event.originalEvent.altKey) ? k.alt : 483 | !isNaN(k.ctrl) && event.ctrlKey ? k.ctrl : 484 | !isNaN(k.shift) && event.shiftKey ? k.shift : 485 | !isNaN(k.arrows) ? k.arrows : 10; 486 | 487 | if (k.arrows == 'resize' || (k.shift == 'resize' && event.shiftKey) || 488 | (k.ctrl == 'resize' && event.ctrlKey) || 489 | (k.alt == 'resize' && (event.altKey || event.originalEvent.altKey))) 490 | { 491 | switch (key) { 492 | case 37: 493 | d = -d; 494 | case 39: 495 | t = max(x1, x2); 496 | x1 = min(x1, x2); 497 | x2 = max(t + d, x1); 498 | fixAspectRatio(); 499 | break; 500 | case 38: 501 | d = -d; 502 | case 40: 503 | t = max(y1, y2); 504 | y1 = min(y1, y2); 505 | y2 = max(t + d, y1); 506 | fixAspectRatio(true); 507 | break; 508 | default: 509 | return; 510 | } 511 | 512 | doResize(); 513 | } 514 | else { 515 | x1 = min(x1, x2); 516 | y1 = min(y1, y2); 517 | 518 | switch (key) { 519 | case 37: 520 | doMove(max(x1 - d, left), y1); 521 | break; 522 | case 38: 523 | doMove(x1, max(y1 - d, top)); 524 | break; 525 | case 39: 526 | doMove(x1 + min(d, imgWidth - selX(x2)), y1); 527 | break; 528 | case 40: 529 | doMove(x1, y1 + min(d, imgHeight - selY(y2))); 530 | break; 531 | default: 532 | return; 533 | } 534 | } 535 | 536 | return false; 537 | }; 538 | 539 | function styleOptions($elem, props) { 540 | for (var option in props) 541 | if (options[option] !== undefined) 542 | $elem.css(props[option], options[option]); 543 | } 544 | 545 | function setOptions(newOptions) { 546 | if (newOptions.parent) 547 | ($parent = $(newOptions.parent)).append($box.add($outer)); 548 | 549 | $.extend(options, newOptions); 550 | 551 | adjust(); 552 | 553 | if (newOptions.handles != null) { 554 | $handles.remove(); 555 | $handles = $([]); 556 | 557 | i = newOptions.handles ? newOptions.handles == 'corners' ? 4 : 8 : 0; 558 | 559 | while (i--) 560 | $handles = $handles.add(div()); 561 | 562 | $handles.addClass(options.classPrefix + '-handle').css({ 563 | position: 'absolute', 564 | fontSize: 0, 565 | zIndex: zIndex + 1 || 1 566 | }); 567 | 568 | if (!parseInt($handles.css('width')) >= 0) 569 | $handles.width(5).height(5); 570 | 571 | if (o = options.borderWidth) 572 | $handles.css({ borderWidth: o, borderStyle: 'solid' }); 573 | 574 | styleOptions($handles, { borderColor1: 'border-color', 575 | borderColor2: 'background-color', 576 | borderOpacity: 'opacity' }); 577 | } 578 | 579 | scaleX = options.imageWidth / imgWidth || 1; 580 | scaleY = options.imageHeight / imgHeight || 1; 581 | 582 | if (newOptions.x1 != null) { 583 | setSelection(newOptions.x1, newOptions.y1, newOptions.x2, 584 | newOptions.y2); 585 | newOptions.show = !newOptions.hide; 586 | } 587 | 588 | if (newOptions.keys) 589 | options.keys = $.extend({ shift: 1, ctrl: 'resize' }, 590 | newOptions.keys); 591 | 592 | $outer.addClass(options.classPrefix + '-outer'); 593 | $area.addClass(options.classPrefix + '-selection'); 594 | for (i = 0; i++ < 4;) 595 | $($border[i-1]).addClass(options.classPrefix + '-border' + i); 596 | 597 | styleOptions($area, { selectionColor: 'background-color', 598 | selectionOpacity: 'opacity' }); 599 | styleOptions($border, { borderOpacity: 'opacity', 600 | borderWidth: 'border-width' }); 601 | styleOptions($outer, { outerColor: 'background-color', 602 | outerOpacity: 'opacity' }); 603 | if (o = options.borderColor1) 604 | $($border[0]).css({ borderStyle: 'solid', borderColor: o }); 605 | if (o = options.borderColor2) 606 | $($border[1]).css({ borderStyle: 'dashed', borderColor: o }); 607 | 608 | $box.append($area.add($border).add($areaOpera)).append($handles); 609 | 610 | if (msie) { 611 | if (o = ($outer.css('filter')||'').match(/opacity=(\d+)/)) 612 | $outer.css('opacity', o[1]/100); 613 | if (o = ($border.css('filter')||'').match(/opacity=(\d+)/)) 614 | $border.css('opacity', o[1]/100); 615 | } 616 | 617 | if (newOptions.hide) 618 | hide($box.add($outer)); 619 | else if (newOptions.show && imgLoaded) { 620 | shown = true; 621 | $box.add($outer).fadeIn(options.fadeSpeed||0); 622 | doUpdate(); 623 | } 624 | 625 | aspectRatio = (d = (options.aspectRatio || '').split(/:/))[0] / d[1]; 626 | 627 | $img.add($outer).unbind('mousedown', imgMouseDown); 628 | 629 | if (options.disable || options.enable === false) { 630 | $box.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown); 631 | $(window).unbind('resize', windowResize); 632 | } 633 | else { 634 | if (options.enable || options.disable === false) { 635 | if (options.resizable || options.movable) 636 | $box.mousemove(areaMouseMove).mousedown(areaMouseDown); 637 | 638 | $(window).resize(windowResize); 639 | } 640 | 641 | if (!options.persistent) 642 | $img.add($outer).mousedown(imgMouseDown); 643 | } 644 | 645 | options.enable = options.disable = undefined; 646 | } 647 | 648 | this.remove = function () { 649 | setOptions({ disable: true }); 650 | $box.add($outer).remove(); 651 | }; 652 | 653 | this.getOptions = function () { return options; }; 654 | 655 | this.setOptions = setOptions; 656 | 657 | this.getSelection = getSelection; 658 | 659 | this.setSelection = setSelection; 660 | 661 | this.cancelSelection = cancelSelection; 662 | 663 | this.update = doUpdate; 664 | 665 | var msie = (/msie ([\w.]+)/i.exec(ua)||[])[1], 666 | opera = /opera/i.test(ua), 667 | safari = /webkit/i.test(ua) && !/chrome/i.test(ua); 668 | 669 | $p = $img; 670 | 671 | while ($p.length) { 672 | zIndex = max(zIndex, 673 | !isNaN($p.css('z-index')) ? $p.css('z-index') : zIndex); 674 | if ($p.css('position') == 'fixed') 675 | position = 'fixed'; 676 | 677 | $p = $p.parent(':not(body)'); 678 | } 679 | 680 | zIndex = options.zIndex || zIndex; 681 | 682 | if (msie) 683 | $img.attr('unselectable', 'on'); 684 | 685 | $.imgAreaSelect.keyPress = msie || safari ? 'keydown' : 'keypress'; 686 | 687 | if (opera) 688 | 689 | $areaOpera = div().css({ width: '100%', height: '100%', 690 | position: 'absolute', zIndex: zIndex + 2 || 2 }); 691 | 692 | $box.add($outer).css({ visibility: 'hidden', position: position, 693 | overflow: 'hidden', zIndex: zIndex || '0' }); 694 | $box.css({ zIndex: zIndex + 2 || 2 }); 695 | $area.add($border).css({ position: 'absolute', fontSize: 0 }); 696 | 697 | img.complete || img.readyState == 'complete' || !$img.is('img') ? 698 | imgLoad() : $img.one('load', imgLoad); 699 | 700 | if (!imgLoaded && msie && msie >= 7) 701 | img.src = img.src; 702 | }; 703 | 704 | $.fn.imgAreaSelect = function (options) { 705 | options = options || {}; 706 | 707 | this.each(function () { 708 | if ($(this).data('imgAreaSelect')) { 709 | if (options.remove) { 710 | $(this).data('imgAreaSelect').remove(); 711 | $(this).removeData('imgAreaSelect'); 712 | } 713 | else 714 | $(this).data('imgAreaSelect').setOptions(options); 715 | } 716 | else if (!options.remove) { 717 | if (options.enable === undefined && options.disable === undefined) 718 | options.enable = true; 719 | 720 | $(this).data('imgAreaSelect', new $.imgAreaSelect(this, options)); 721 | } 722 | }); 723 | 724 | if (options.instance) 725 | return $(this).data('imgAreaSelect'); 726 | 727 | return this; 728 | }; 729 | 730 | $.fn.uploadPreview=function(option){ 731 | option=$.extend({},option); 732 | 733 | 734 | var previewImage=function(evt){ 735 | var options=evt.data; 736 | var $form=options.targetForm; 737 | var iframeName="e"+this.name; 738 | var $iframe=$("#"+iframeName); 739 | if($iframe.length==0){ 740 | $iframe=$("