function windowOpener(url,width,height,name,scrollers) {
	if(url.substring(0,9) == "showTable"){
		scrollers = 1;
	}else if(url.substring(0,9) == "showImage" && (width == 1020 || height == 760) ){
		scrollers = 1;
	}else{
		scrollers = 0;
	}
	browserName = navigator.appName;
	browserVer = navigator.appVersion.substring(0,1);
	if (width==null) {width=400;}
	if (height==null) {height=400;}
	if (name==null) {name="globaltPopup"}
	var topPx = (browserName=="Netscape").php?"screenX":"top";
	var leftPx = (browserName=="Netscape").php?"screenY":"left";
    var winl = (screen.width - width) / 2;
    var wint = (screen.height - height) / 2;
	if (browserName != "Netscape" || browserVer != 2) {
		controlWindow=window.open( url,name,"toolbar=no,height="+height+",width="+width+",location=no,directories=no,status=no,menubar=no,scrollbars="+scrollers+",resizable=no,"+leftPx+"="+winl+","+topPx+"="+wint+"");
	}
}

function getDocHeight(doc) {
 var docHt = 0, sh, oh;
 if (doc.height) docHt = doc.height;
 else if (doc.body) {
     if (doc.body.scrollHeight) docHt = sh =
doc.body.scrollHeight;
     if (doc.body.offsetHeight) docHt = oh =
doc.body.offsetHeight;
     if (sh && oh) docHt = Math.max(sh, oh);
 }
 return docHt;
}

function setIframeHeight(iframeName) {
 var iframeWin = window.frames[iframeName];
 var iframeEl =
document.getElementById?document.getElementById(iframeName):
document.all?document.all[iframeName]: null;
 if ( iframeEl && iframeWin ) {
     iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous
     var docHt = getDocHeight(iframeWin.document);
     // need to add to height to be sure it will all show
     if (docHt) iframeEl.style.height = docHt + 30 + "px";
 }
}

function loadIframe(iframeName, url) {
 if ( window.frames[iframeName] ) {
     window.frames[iframeName].location = url;
     return false;
 }
 else return true;
}

isset = function (varname) {
    if (typeof(window[varname]) != 'undefined') {
        return true;
    } else {
        return (false);
    }
}