var win = null;


function pop(mypage,myname,w,h,scroll, pic)
{
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no, toolbar=no, directories=no, menubar=no, status=no';
	win = window.open(mypage,myname,settings);
	if (win.opener == null) win.opener = window;
	win.opener.name = "main"; 
	
}