//Rotate random header image
function rotateHeader(){
	var imgNumber = "";
	var RandomNum
	RandomNum = Math.floor(Math.random()*9);	
	imgNumber = RandomNum;	
	document.write('<img src=\'images/sub-header' + imgNumber + '.jpg\' width=\'550\' height=\'300\' alt=\'IRC Direct\' border=\'0\'>');
}