function openwinsizea (url,mywidth,myheight) 
{
	winflash = window.open(url, "winflash", "width=" + mywidth + ",height=" + myheight + ",top=" + ((screen.availHeight/2) - (myheight/2)) + ",left=" + ((screen.availWidth/2) - (mywidth/2)) + ",menubar=no,status=no,resizeable=no,toolbar=no,location=no"); 
	winflash.focus(); 
}