var newWin = null;

function popUp(strURL, strType, strHeight, strWidth)
{

	strHeight = strHeight > (screen.height - 150) ? (screen.height - 150) : strHeight;
	strWidth = strWidth > (screen.width - 100) ? (screen.width - 100) : strWidth;
	
	 if (newWin != null && !newWin.closed) 
	   newWin.close(); 
	 var strOptions=""; 
	 if (strType=="console") 
	   strOptions="resizable,menubar=no,statusbar=no,toolbar=no,height="+ 
		 strHeight+",width="+strWidth; 
	 if (strType=="fixed") 
	   strOptions="status,menubar=no,statusbar=no,toolbar=no,height="+ 
		 strHeight+",width="+strWidth; 
	 if (strType=="elastic") 
	   strOptions="scrollbars,resizable,menubar=no,statusbar=no,toolbar=no,height="+ 
		 strHeight+",width="+strWidth; 
	 newWin = window.open(strURL, 'newWin', strOptions);
	 newWin.focus();

}

function popChat()
{ 
	strOptions='top=50,left=50,width=810,height=516,toolbar=no,location=yes,directories=no,menubar=no,scrollbars=no,copyhistory=no,resizable=yes';
	
	newWin = window.open('',"gwchat",strOptions);
	newWin.focus();
	
	return true;
}