// JavaScript Document
	// lefthand corporate images
	var c1_on = new Image();
	var c2_on = new Image();
	var c3_on = new Image();
	var c4_on = new Image();
	// top r.h. corporate image
	var c5_on = new Image();
	
	var c1_dim = new Image();
	var c2_dim = new Image();
	var c3_dim = new Image();
	var c4_dim = new Image();
	
	//images for lhs.
	c1_on.src = "images/hc_left_1.jpg";
	c2_on.src = "images/hc_left_2.jpg";
	c3_on.src = "images/hc_left_3.jpg";
	c4_on.src = "images/hc_left_4.jpg";
	//image for rhs.
	c5_on.src = "images/hc_right_1.jpg";
	
	c1_dim.src = "images/hc_left_1d.jpg";
	c2_dim.src = "images/hc_left_2d.jpg";
	c3_dim.src = "images/hc_left_3d.jpg";
	c4_dim.src = "images/hc_left_4d.jpg";
	
	// set the normal images for this page
	var c1_norm = c1_on;
	var c2_norm = c2_on;
	var c3_norm = c3_on;
	var c4_norm = c4_on;
	var c5_norm = c5_on;
	
	function corpRollOn(id) {
		for(var i=1;i<5;i++) {
			setImage("c" + i, "dim")
		}
		setImage("c" + id, "on");
		return true;
	}

	function corpRollOff(fade) {
		if(!fade){
			for(var i=1;i<6;i++) {
				setImage("c" + i, "norm");
			}
		}else{
			for(var i=1;i<5;i++) {
				setImage("c" + i, "norm");
			}
		}
		if(fade){
			rightImage(fade,1)	
		}
		return true;
	}	
	
	function setImage(id, suffix) {
		if(document.images)
		{
			eval("document." + id + ".src = " + id + "_" + suffix + ".src" )
			//eval("document.c5.src = " + id + "_" + suffix + ".src" )
		}
	}	 
	function rightImage(num,fade){
		if(!fade){
			document.c5.src = "images/hc_right_" + num + ".jpg"
		}else{
			document.c5.src = "images/hc_right_" + num + "_fade.jpg"
		}
	}	
	
	function openWindow(URL){
	window.open(URL,'home');
}