var win = null;
function NewWindow(mypage,myname,w,h,scroll){
var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
var TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
var settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable';
var myString = new String(mypage);
var myRE = new RegExp("tellfriends.php", "i");
var results = myString.match(myRE);
//win = window.open(mypage+'?refer='+this.location,myname,settings)
	if(results=="tellfriends.php"){ 
		return false;
	}else{
		win = window.open(mypage,myname,settings);
	}
}