function OpenPopUp(aUrl, aWidth, aHeight) {
	openCenterWindow(aUrl, null, aWidth, aHeight);
}

function openCenterWindow(aUrl, aName, aWidth, aHeight) {
	var win = null;
	
	if (aWidth == 0 && aHeight == 0) {
		var opt = "toolbar=no,menubar=no,location=no";
		win = window.open(aUrl, aName,opt);
	}
	else {
		var t =(screen.height-aHeight)/2;
		var l =(screen.width-aWidth)/2;
		var opt = "toolbar=no,menubar=no,location=no";
		win = window.open(aUrl, aName,"top="+t+",left="+l+",width="+aWidth+",height="+aHeight+","+opt);
	}
	
	if (win != null)
		win.focus();
	
	return win;
}

function moveToSize(aWidth, aHeight) {
	var t =(screen.height-aHeight)/2;
	var l =(screen.width-aWidth)/2;

	window.resizeTo(aWidth, aHeight);
	window.moveTo(t, l);
}

function setCssClass(obj, aClass) {
	if (obj) {	
		obj.className = aClass;
	}
}

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_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_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];}
}