var intWinHeight = screen.availHeight;
var intWinWidth = screen.availWidth;
var intPopHeight = 400;
var intPopWidth = 600;

function openwin(strURL){
	var strArgs = "height="+ intPopHeight +",width="+ intPopWidth +",top="+ ((intWinHeight / 2) - (intPopHeight / 2)) +",left="+ ((intWinWidth / 2) - (intPopWidth / 2)) +",status=yes,toolbar=no,menubar=no,location=no,scrollbars=yes";
	window.open(strURL,null,strArgs);
}