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Dynamický Iframe pomoci Javascriptu

Při snaze vyřešit problém s dynamickou šířkou iframe okna, jen narazil na hezký java script
Ukázka Iframe SSI script II    od Autora: Dynamic Drive  
Iframe SSI script II
Author: Dynamic Drive

 /*********************************************** * IFrame SSI script II- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com) * Visit DynamicDrive.com for hundreds of original DHTML scripts * This notice must stay intact for legal use ***********************************************/  //Input the IDs of the IFRAMES you wish to dynamically resize to match its content height: //Separate each ID with a comma. Examples: ["myframe1", "myframe2"] or ["myframe"] or [] for none: var iframeids=["myframe"]  //Should script hide iframe from browsers that don't support this script (non IE5+/NS6+ browsers. Recommended): var iframehide="yes"  var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1] var FFextraHeight=parseFloat(getFFVersion)>=0.1? 16 : 0 //extra height in px to add to iframe in FireFox 1.0+ browsers  function resizeCaller() { var dyniframe=new Array() for (i=0; i if (document.getElementById) resizeIframe(iframeids[i]) //reveal iframe for lower end browsers? (see var above): if ((document.all || document.getElementById) && iframehide=="no"){ var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i]) tempobj.style.display="block" } } }  function resizeIframe(frameid){ var currentfr=document.getElementById(frameid) if (currentfr && !window.opera){ currentfr.style.display="block" if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) //ns6 syntax currentfr.height = currentfr.contentDocument.body.offsetHeight+FFextraHeight; else if (currentfr.Document && currentfr.Document.body.scrollHeight) //ie5+ syntax currentfr.height = currentfr.Document.body.scrollHeight; if (currentfr.addEventListener) currentfr.addEventListener("load", readjustIframe, false) else if (currentfr.attachEvent){ currentfr.detachEvent("onload", readjustIframe) // Bug fix line currentfr.attachEvent("onload", readjustIframe) } } }  function readjustIframe(loadevt) { var crossevt=(window.event)? event : loadevt var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement if (iframeroot) resizeIframe(iframeroot.id); }  function loadintoIframe(iframeid, url){ if (document.getElementById) document.getElementById(iframeid).src=url }  if (window.addEventListener) window.addEventListener("load", resizeCaller, false) else if (window.attachEvent) window.attachEvent("onload", resizeCaller) else window.onload=resizeCaller