function popcom(page,w,h) { 
prop = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width="+w+",height="+h+",";
prop+= "left="+Math.floor((screen.width-w)/2)+",";
prop+= "top="+Math.floor((screen.height-h)/2)+",";
var numero = 10 + Math.floor(Math.random() * 11);
window.open(page,numero,prop);
} 
function popsem(page,w,h) { 
prop = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width="+w+",height="+h+",";
prop+= "left="+Math.floor((screen.width-w)/2)+",";
prop+= "top="+Math.floor((screen.height-h)/2)+",";
prop+= "top="+Math.floor((screen.height-h)/2)+",";
var numero = 10 + Math.floor(Math.random() * 11);
window.open(page,numero,prop);
}