// JavaScript Document
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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}


function checkBrowser(){
 	if (document.layers) {
		var browser = "ns";
	}
	else if (document.all) {
		var browser = "ie";
	}
	return browser;
}

function getTop(popupHeight){
	var	browser = checkBrowser();
	if (browser == "ns") {
		var top = (screen.height - popupHeight) / 2;}
	else if (browser == "ie") {
		var top = (screen.availHeight - popupHeight) / 2;}
		
	return top;
}

function getLeft(popupWidth){
	var	browser = checkBrowser();
	if (browser == "ns") {
		var left = (screen.width - popupWidth) / 2;}
	else if (browser == "ie") {
		var left = (screen.availWidth - popupWidth) / 2;}
	return left;
}


function popup(theUrl,theName,theWidth,theHeight){
	features = "left="+getLeft(theWidth)+",top="+getTop(theHeight)+",width="+theWidth+",height="+theHeight+",status=no,address=no,toolbars=no,scrollbars=no"
	//alert(features);
	theWin = window.open(theUrl,theName,features);
	theWin.focus();
}

function popscroll(theUrl,theName,theWidth,theHeight){
	features = "left="+getLeft(theWidth)+",top="+getTop(theHeight)+",width="+theWidth+",height="+theHeight+",status=no,address=no,toolbars=no,scrollbars=yes"
	//alert(features);
	theWin = window.open(theUrl,theName,features);
	theWin.focus();
}