var spawn = 0;


var agt    = navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();

var verInt = parseInt(appVer);

var ie     = (appVer.indexOf('msie') != -1);

var opera  = (agt.indexOf('opera') != -1);

var mozilla = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('opera')==-1) 
			  && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) 
              && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));	

var ns4     = (mozilla && (verInt == 4));

function popUp (url, width, height, name) {

		
		widthHeight = "width=" + width + ",height=" + height;
		
		winFeatures = "width=" + width + ",height=" + height + ",menubar=yes,resizable=yes,scrollbars=yes,status=yes,toolbar=yes,location=yes"
		
		if (name == "extLadderLink") {
		
			spawn = window.open(url,name,winFeatures);
			
		
		} else {
		
			spawn = window.open(url,name,widthHeight);
			
		}
		
		

	
}