var gotoUrlSet = false;

function gotoURL(url) {
	if (!gotoUrlSet) {
		top.location = url;
		gotoUrlSet = true;
		return true;
	}
}
function PUW_Show(){
	var settings = "width="+this.width+",height="+this.height+",top="+this.top+",left="+this.left+",";
	settings += "scrollbars=" + ((this.scrollbars) ? "yes," : "no,");
	settings += "toolbar=" + ((this.toolbar) ? "yes," : "no,");
	settings += "location=" + ((this.locationbar) ? "yes," : "no,");
	settings += "menubar=" + ((this.menubar) ? "yes," : "no,");
	settings += "status=" + ((this.statusbar) ? "yes," : "no,");
	settings += "resizable=" + ((this.resizable) ? "yes" : "no");
	
	var newWin = window.open(this.url,this.name,settings);
	
	if (! this.ontop) window.focus();
	if (newWin) newWin.focus();
}

function PUW_CheckFrequency() {
	var shouldShow = this.frequency != 0;
	if (this.frequency > 0)	{
		var allCookies = document.cookie;
		var start = allCookies.indexOf("PUWCount=");
		if (start >= 0)	{
			var end = allCookies.indexOf(";",start);
			if (end < 0)
				end = allCookies.length;
			var freqStr = allCookies.substring(start+9,end);
			if (isInt(freqStr))
				this.frequency = parseInt(freqStr);
		}

		if (this.frequency>0) this.frequency--;
		else shouldShow = false;
			
		var exp = new Date();
		exp.setTime(exp.getTime()+this.renew*60*60000);
		document.cookie = "PUWCount="+this.frequency+ "; expires=" + exp.toGMTString();
	}
	return shouldShow;
}

function PopupWindow(url,width,height) {
	this.width = width;
	this.height = height;
	this.top = screen.availHeight/2 - height/2; // center
	this.left = screen.availWidth/2 - width/2; // center
	this.name = "mypopupwin";
	this.url = url;
	this.showDelay = 2000;
	this.frequency = 2; // how many times show per renewal time period
	this.renew = 1; // renew showing every x hours
	this.scrollbars= true;
	this.toolbar= false;
	this.statusbar= false;
	this.resizable = false;
	this.locationbar = false;
	this.menubar = false;
	this.ontop = true;
	

	this.Show = PUW_Show;
	this.CheckFrequency = PUW_CheckFrequency;
}

function urlDecode(str) {
  return unescape(str.replace(/\+/g , " ")); 
}

function clearDefault(el) {
	if (el.defaultValue==el.value) el.value = "";
}

function disableElement(el,text) {
	el.disabled=true;
	el.value=text;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function findPosX(obj) {
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj) {
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function getStxt(string) {
	if ((typeof stxt != 'undefined') && (typeof stxt[string] != 'undefined')) return stxt[string];
	else return string;
}