function OpenPresentation(theURL,winName,intWidth,intHeight,resize,scroll) { 
	if (scroll == "yes"){
		winWidth = intWidth - "-95";
		} else {
			winWidth = intWidth - "-75";
			}
			winHeight = intHeight - "-75";
			var strParams = "directories=no,location=no,menubar=no,resizable="+ resize +",scrollbars="+ scroll +",status=no,toolbar=no,width=" + winWidth + ",height=" + winHeight;
			strParams += ",left=" + (screen.width - winWidth)/2 + ",top=" + (screen.height - winHeight)/2;
			objPresentationWin = window.open(theURL,winName,strParams);
	}