// JavaScript Document

function open_popup(url) {
	var leftPos = (screen.availWidth-600) / 2;
	var topPos = (screen.availHeight-600) / 2;
	Press1Win = window.open(url,'','width=600,height=600,scrollbars=no,resizable=no,titlebar=0,top=' + topPos + ',left=' + leftPos);
}