function main(){

	var totalAds=3;
	var ran_unrounded=(Math.random()*(totalAds-1))+1;
	var ran_number=Math.round(ran_unrounded);

	if (ran_number==1){
		var image="slogan1.gif";
		var link="/";
		var alt="http://www.document-storage-solutions.co.uk/";
	}

	if (ran_number==2){
		var image="slogan2.gif";
		var link="/";
		var alt="http://www.document-storage-solutions.co.uk/";
	}

	if (ran_number==3){
		var image="slogan3.gif";
		var link="/";
		var alt="http://www.document-storage-solutions.co.uk/";
	}

	document.write("<center><a href='");
	document.write(link);
	document.write("'><img style='border: 1px solid #EEEEEE' src='images/");
	document.write(image);
	document.write("' border='0' alt='");
	document.write(alt);
	document.write("' /></a></center>");
	
}