document.write("<a href='http://www.winentrance.com/gAds/link.asp?url=mca' title='All MCA Colleges Entrance Exam Question Bank CD'>");
document.write("<img id='mca' src='http://www.winentrance.com/gAds/image.asp?id=mca&abc=" + Math.random() +"' border=0 alt='MCA Entrance Exam Question Bank CD'>");
document.write("</a>");
//setInterval("chng_gads()",1500);
function chng_gads()
{
	document.getElementById("mca").src="http://www.winentrance.com/gAds/image.asp?id=mca&abc=" + Math.random();
}