//image cache

newsletter = new Image();
newsletter.src = "images/newsletter1.jpg";
seminars = new Image();
seminars.src = "images/seminars1.jpg";
faculty = new Image();
faculty.src = "navigation/faculty2.png";
lectures = new Image();
lectures.src = "navigation/seminars2.png";
admissions = new Image();
admissions.src = "navigation/graduate2.png";
postdoc = new Image();
postdoc.src = "navigation/postdoctoral2.png";
resources = new Image();
resources.src = "navigation/resources2.png";
home = new Image();
home.src = "navigation/home2.png";
contact = new Image();
contact.src = "navigation/contact2.png";
media = new Image();
media.src = "navigation/media2.png";



newsletter_o = new Image();
newsletter_o.src = "images/newsletter2.jpg";
seminars_o = new Image();
seminars_o.src = "images/seminars2.jpg";
faculty_o = new Image();
faculty_o.src = "navigation/faculty1.png";
lectures_o = new Image();
lectures_o.src = "navigation/seminars1.png";
admissions_o = new Image();
admissions_o.src = "navigation/graduate1.png";
postdoc_o = new Image();
postdoc_o.src = "navigation/postdoctoral1.png";
resources_o = new Image();
resources_o.src = "navigation/resources1.png";
home_o = new Image();
home_o.src = "navigation/home1.png";
contact_o = new Image();
contact_o.src = "navigation/contact1.png";
media_o = new Image();
media_o.src = "navigation/media1.png";


//end image cache


function imgRoll(name,o) {
	document.images[name].src = eval(name+o+".src");
	// onmouseover="imgRoll('blah','_o')"
	// onmouseout="imgRoll('blah','')"
	}