if (!DY){
	var Doubleyou, DY = {};
}
else{
    
}


DY.screenWidth = screen.width;
DY.screenHeight = screen.height;

DY.openWindow = function(url, name, w, h, x, y, _scroll){

	var wW = (w!=null) ? w : this.screenWidth-50;
	var wH = (h!=null) ? h : this.screenHeight-150;
		
	var wX = (x!=null) ? x : Math.round(this.screenWidth/2-(wW/2));
	var wY = (y!=null) ? y : Math.round(this.screenHeight/2-(wH/2));
    
    var name = (name != null) ? name : 'dyPopup';
    
    var scrollbar = (_scroll != null) ? _scroll : 0;

    var win = window.open(url, name, 'resizable=0,scrollbars='+scrollbar+',status=0,location=0,toolbar=0,menubar=0,width='+wW+',height='+wH+',screenX='+wX+',screenY='+wY+',left='+wX+',top='+wY+'');

    return win;
}