function openReceptionInfo() {
	var hleft = 700;	
	var htop = 580;		
	
	var vleft = (window.screen.width-hleft)/2;  
	var vtop = (window.screen.height-htop)/2;   

	window.open("user_information.html","_blank","toolbar=no,WIDTH="+hleft+",HEIGHT="+htop+",directories=no,status=no,scrollbars=no,resize=no,menubar=no,left="+vleft+",top="+vtop);          
}