FirstPart = '<img src="_images/headerArticle';
LastPart = '_e.gif" alt="" width="771" height="51" border="0">';

FirstPart_Transp = '<img src="_images/Transp_';
LastPart_Transp = '.jpg" alt="Search" width="182" height="272" border="0">';

function printImage(transp, nbOfIm) {
var r = Math.ceil(Math.random() * nbOfIm);
if (transp) 
	document.write(FirstPart_Transp + r + LastPart_Transp);
else
		document.write(FirstPart + r + LastPart);
}