// pre-cache images all the on images
	homeOn=new Image;
	homeOn.src='imgs/home_on.jpg';
	aboutOn=new Image;
	aboutOn.src='imgs/about_on.jpg';
	teachOn=new Image;
	teachOn.src='imgs/teaching_on.jpg';
	scholarshipOn=new Image;
	scholarshipOn.src='imgs/scholarships_on.jpg';
	resourceOn=new Image;
	resourceOn.src='imgs/resources_on.jpg';
	faqOn=new Image;
	faqOn.src='imgs/faqs_on.jpg';
	//scholarship


	homeOff=new Image;
	homeOff.src='imgs/home_Off.jpg';
	aboutOff=new Image;
	aboutOff.src='imgs/about_Off.jpg';
	teachOff=new Image;
	teachOff.src='imgs/teaching_Off.jpg';
	scholarshipOff=new Image;
	scholarshipOff.src='imgs/scholarships_Off.jpg';
	resourceOff=new Image;
	resourceOff.src='imgs/resources_Off.jpg';
	faqOff=new Image;
	faqOff.src='imgs/faqs_Off.jpg';
	
function changeMenu()
{
   if (document.images)
	   {
	   	for (var i=0; i<changeMenu.arguments.length; i+=2)
			{
	    	document [changeMenu.arguments[i]].src = eval (changeMenu.arguments[i+1] + ".src");
			}
	   }
	//document.chgitem.src.value= "imgs/teaching_" & menustate &".jpg"
}

// functions that swap images
function changeImages() {

	    if (document.images) {
		  for (var i=0; i<changeImages.arguments.length; i+=2) {
		    document [changeImages.arguments[i]].src = eval (changeImages.arguments[i+1] + ".src");
			
			}
		}
	}