var newwindow;
function poptastic(url)
{
	newwindow=window.open(url,'ProductScreenshot','height=705,width=830,left=100,top=5');
	if (window.focus) {newwindow.focus()}
}




var winHandle = '';
function spawnWin(URL,width,height) {
    x = (640 - width)/2, y = (480 - height)/2;

    if (screen) {
        y = (screen.availHeight - height)/2;
        x = (screen.availWidth - width)/2;
    }
	if (screen.availWidth > 1800) { 
	x = ((screen.availWidth/2) - width)/2; 
    } 
    if (winHandle) {
	winHandle.close();	
    }	
	winHandle = window.open(URL,'popWin','toolbar=no,status=no,resizable=no,resize=no,menubar=no,scrollbars=yes,width=800, height=830, screenX=25,screenY=50,left=100,top=5');
	winHandle.focus();
}