function popUpChat(theUrl) { 
	theUrl = theUrl.replace('http://gateway','https://ssl')
	var thisURL = escape(self.location); 
	
	if ( navigator.appName.substring( 0, 9 ) == "Microsoft" ){
		winHeight = 350;
		winWidth = 350;
	
		wndFeatures = "HEIGHT=" + winHeight + ",WIDTH=" + winWidth + ",top=" + (((screen.height - winHeight)/2) - 20) + ",left=" + (screen.width - winWidth)/2;
	
		custServWin = window.open(theUrl+"&app=ie&URL=" + thisURL,"ecpwin",wndFeatures); 
	}else if ( navigator.appName.substring( 0, 8 ) == "Netscape" ){       
		//winHeight = 768;
		//winWidth = 1024;
	
		winHeight = 350;
		winWidth = 350;
		wndFeatures = "HEIGHT=" + winHeight + ",WIDTH=" + winWidth + ",top=" + (((screen.height - winHeight)/2) - 20) + ",left=" + (screen.width - winWidth)/2;

		custServWin = window.open(theUrl+"&app=ns&URL=" + thisURL,"ecpwin",wndFeatures); 
	}
}