function agent(au,afu) {
height=500;
width=790;
var properties="toolbar=0, location=0, status=yes,height=" + height;
properties=properties + ", width=" + width;
var leftprop, topprop, screenX, screenY, cursorX, cursorY, padAmt;
screenY=document.body.offsetHeight;
screenX=window.screen.availWidth;
leftvar=(screenX - width) / 2;
rightvar=(screenY - height) / 2;
properties=properties + ", left=" + leftvar;
properties=properties + ", top=" + rightvar;
properties=properties+',scrollbars=yes';
popupHandle=window.open("http://www.abstractagent.com/av2/afpr.asp?pdir=2010escvs&plng=eng&au="+au+"&afu="+afu,"",properties);
}