preload_image_object = new Image();
// set image url
image_url = new Array();
image_url[0] = "images/harvard_print_a1.gif";
image_url[1] = "images/harvard_print_a2.gif";
image_url[2] = "images/harvard_print_a3.gi";
image_url[3] = "images/harvard_print_b2.gif";
image_url[4] = "images/harvard_print_b3.gif";
image_url[5] = "images/harvard_print_c1.gif";
image_url[6] = "images/harvard_print_c2.gif";
image_url[7] = "images/harvard_print_c3.gi";

image_url[8] = "images/harvard_interactive_a1.gif";
image_url[9] = "images/harvard_interactive_b2.gif";
image_url[10] = "images/harvard_interactive_b3.gif";
image_url[11] = "images/harvard_interactive_c3.gif";

image_url[12] = "images/square_branding.gif";
image_url[13] = "images/square_interactive.gif";

image_url[14] = "images/circle_blank.gif";

var i = 0;
for(i=0; i<=12; i++){
	preload_image_object.src = image_url[i];
}

/*body roll overs*/
function print(){
	//get images
	a_one = document.getElementById("a1");
	a_two = document.getElementById("a2");
	a_three = document.getElementById("a3");
	
	b_one = document.getElementById("b1");
	b_two = document.getElementById("b2");
	b_three = document.getElementById("b3");
	
	c_one = document.getElementById("c1");
	c_two = document.getElementById("c2");
	c_three = document.getElementById("c3");
	
	//get text
	a_one_text = document.getElementById("a1text");
	a_two_text = document.getElementById("a2text");
	a_three_text = document.getElementById("a3text");
	
	b_two_text = document.getElementById("b2text");
	b_three_text = document.getElementById("b3text");
	
	c_one_text = document.getElementById("c1text");
	c_two_text = document.getElementById("c2text");
	c_three_text = document.getElementById("c3text");
	
	//change images
	a_one.src="images/harvard_print_a1.gif";
	a_two.src="images/harvard_print_a2.gif";
	a_three.src="images/harvard_print_a3.gif";
	
	b_one.src="images/square_print.gif";
	b_two.src="images/harvard_print_b2.gif";
	b_three.src="images/harvard_print_b3.gif";
	
	c_one.src="images/harvard_print_c1.gif";
	c_two.src="images/harvard_print_c2.gif";
	c_three.src="images/harvard_print_c3.jpg";
	
	//change text
	a_one_text.innerHTML = "Degas at Harvard";
	a_two_text.innerHTML = "Admissions Publications";
	a_three_text.innerHTML = "Admissions Publications";

	b_two_text.innerHTML = "Degas at Harvard";
	b_three_text.innerHTML = "STELLA: Poster";

	c_one_text.innerHTML = "Admissions Publications";
	c_two_text.innerHTML = "Women at Harvard Brochure";
	c_three_text.innerHTML = "STELLA: Poster";
}
function interactive(){
	//get images
	a_one = document.getElementById("a1");
	a_two = document.getElementById("a2");
	a_three = document.getElementById("a3");
	b_one = document.getElementById("b1");
	b_two = document.getElementById("b2");
	b_three = document.getElementById("b3");
	c_one = document.getElementById("c1");
	c_two = document.getElementById("c2");
	c_three = document.getElementById("c3");
	
	//get text
	b_two_text = document.getElementById("b2text");
	
	//cahnge images
	a_one.src="images/harvard_interactive_a1.jpg";
	a_two.src="images/circle_blank.gif";
	a_three.src="images/circle_blank.gif";
	
	b_one.src="images/circle_blank.gif";
	b_two.src="images/harvard_interactive_b2.gif";
	b_three.src="images/harvard_interactive_b3.gif";
	
	c_one.src="images/square_interactive.gif";
	c_two.src="images/circle_blank.gif";
	c_three.src="images/harvard_interactive_c3.gif";
	
	//change text
	b_two_text.innerHTML = "Harvard Business School Website";
	
}
function normal(){
	a_one = document.getElementById("a1");
	a_two = document.getElementById("a2");
	a_three = document.getElementById("a3");
	b_one = document.getElementById("b1");
	b_two = document.getElementById("b2");
	b_three = document.getElementById("b3");
	c_one = document.getElementById("c1");
	c_two = document.getElementById("c2");
	c_three = document.getElementById("c3");
	

	
	a_one.src="images/circle_grey.gif";
	a_two.src="images/circle_grey.gif";
	a_three.src="images/circle_grey.gif";
	b_one.src="images/circle_print.gif";
	b_two.src="images/circle_grey.gif";
	b_three.src="images/circle_grey.gif";
	c_one.src="images/circle_interactive.gif";
	c_two.src="images/circle_grey.gif";
	c_three.src="images/circle_grey.gif";
	
	a_one_text = document.getElementById("a1text");
	a_two_text = document.getElementById("a2text");
	a_three_text = document.getElementById("a3text");

	b_one_text = document.getElementById("b1text");
	b_two_text = document.getElementById("b2text");
	b_three_text = document.getElementById("b3text");
	
	c_one_text = document.getElementById("c1text");
	c_two_text = document.getElementById("c2text");
	c_three_text = document.getElementById("c3text");
	
	a_one_text.innerHTML = "";
	a_two_text.innerHTML = "";
	a_two_text.innerHTML = "";
	
	b_one_text.innerHTML = "";
	b_two_text.innerHTML = "";
	b_two_text.innerHTML = "";

	c_one_text.innerHTML = "";
	c_two_text.innerHTML = "";
	c_two_text.innerHTML = "";
	
	
}