// rollovers
		function rollover(imgName){
			if (document.images) {
		            document[imgName].src = eval(imgName + "over.src");
			}
		}
		
		function rollout(imgName){
			if (document.images) {
		            document[imgName].src = eval(imgName + ".src");
			}
		}
		
		aboutButt = new Image()
		aboutButt.src = "images/aboutbutt.gif";
		aboutButtover = new Image()
		aboutButtover.src = "images/aboutbutt_over.gif";
		
		auditingButt = new Image()
		auditingButt.src = "images/auditingbutt.gif";
		auditingButtover = new Image()
		auditingButtover.src = "images/auditingbutt_over.gif";
		
		consultButt = new Image()
		consultButt.src = "images/consultbutt.gif";
		consultButtover = new Image()
		consultButtover.src = "images/consultbutt_over.gif";
		
		contactButt = new Image()
		contactButt.src = "images/contactbutt.gif";
		contactButtover = new Image()
		contactButtover.src = "images/contactbutt_over.gif";
		
		homeButt = new Image()
		homeButt.src = "images/homebutt.gif";
		homeButtover = new Image()
		homeButtover.src = "images/homebutt_over.gif";
		
		hygieneButt = new Image()
		hygieneButt.src = "images/hygienebutt.gif";
		hygieneButtover = new Image()
		hygieneButtover.src = "images/hygienebutt_over.gif";
		
		projectButt = new Image()
		projectButt.src = "images/projectbutt.gif";
		projectButtover = new Image()
		projectButtover.src = "images/projectbutt_over.gif";
		
		technicalButt = new Image()
		technicalButt.src = "images/technicalbutt.gif";
		technicalButtover = new Image()
		technicalButtover.src = "images/technicalbutt_over.gif";
		
		trainingButt = new Image()
		trainingButt.src = "images/trainingbutt.gif";
		trainingButtover = new Image()
		trainingButtover.src = "images/trainingbutt_over.gif";
		
		newsButt = new Image()
		newsButt.src = "images/newsbutt.gif";
		newsButtover = new Image()
		newsButtover.src = "images/newsbutt_over.gif";