function callIframe(IFrameObj, id, URL) {
  //var IFrameObj; // our IFrame object  
  if (!document.createElement) {return false};
  var IFrameDoc;
  if (!IFrameObj && document.createElement) {
    // create the IFrame and assign a reference to the
    // object to our global variable IFrameObj.
    // this will only happen the first time 
    // callToServer() is called

   	var tempIFrame
   	if(tempIFrame=document.createElement('iframe')){
   		if(tempIFrame.setAttribute('id',id)){
   			if(tempIFrame.setAttribute('name',id)){
   				if(tempIFrame.style.border='0px'){
   					if(tempIFrame.style.width='0px'){
   						if(tempIFrame.style.height='0px'){
   							if(IFrameObj = document.body.appendChild(tempIFrame)){
					   			if (document.frames) {
							        // this is for IE5 Mac, because it will only
							        // allow access to the document object
							        // of the IFrame if we access it through
							        // the document.frames array
							        IFrameObj = document.frames[id];
						      	}
					   		}
   						}
   					}
   				}
   			}
   		}
   	}
   		else{
   		 iframeHTML="<iframe id='"+id+"' name='"+id+"' style='";
		  iframeHTML+="border:0px;";
	      iframeHTML+="width:0px;";
	      iframeHTML+="height:0px;";
	      iframeHTML+="'><\/iframe>";
	      document.body.innerHTML+=iframeHTML;
	      IFrameObj = new Object();
	      IFrameObj.document = new Object();
	      IFrameObj.document.location = new Object();
	      if(document.getElementById && document.getElementById(id)) {
			//W3C DOM
				IFrameObj.document.location.iframe = document.getElementById(id);
			} else if (document.all && document.all(id)) {
			// MSIE 4 DOM
				IFrameObj.document.location.iframe = document.all(id);
			} else if (document.layers && document.layers[id]) {
			// NN 4 DOM.. note: this won't find nested layers
				IFrameObj.document.location.iframe = document.layers[id];
			} else {
				return false;
		  }
	      //IFrameObj.document.location.iframe = document.getElementById(id);
	      IFrameObj.document.location.replace = function(location) {
	        this.iframe.src = location;
	      }
   		}
  }
  
  if (navigator.userAgent.indexOf('Gecko') !=-1 && !IFrameObj.contentDocument) {
    // we have to give NS6 a fraction of a second
    // to recognize the new IFrame
    setTimeout("callIframe('"+id+"','"+URL+"')",10);
    return false;
  }
  
  if (IFrameObj.contentDocument) {
    // For NS6
    IFrameDoc = IFrameObj.contentDocument; 
  } else if (IFrameObj.contentWindow) {
    // For IE5.5 and IE6
    IFrameDoc = IFrameObj.contentWindow.document;
  } else if (IFrameObj.document) {
    // For IE5
    IFrameDoc = IFrameObj.document;
  } else {
    return false;
  }  
  IFrameDoc.location.replace(URL);
  return IFrameObj;
}