function wopen(){

	var Xpos = (window.screen.width - 600)/2;
	var Ypos = (window.screen.height - 522)/2;


	newWin=window.open("","_zoom","toolbar=no,scrollbars=0,resizable=no,width=600,height=522");
	newWin.focus();
	newWin.moveTo(Xpos,Ypos);
	
	

}