// Adaptive Image JScript - WSC set homepage image link rollovers

function InitRollovers() {
	if (!document.getElementById || !document.getElementsByTagName) return;
	obj = document.getElementById("home_img_ctrl");
	if(!obj) return;
	AddLinkROEvents(obj.getElementsByTagName("div")); //image link control divs collection
}

function AddLinkROEvents(colCtrls) { //add mouseover events to links
	if(colCtrls.length != 3) return;
	colCtrls[0].onmouseover = function() {
		ShowImage(0);
	}
	colCtrls[1].onmouseover = function() {
		ShowImage(1);
	}
	colCtrls[2].onmouseover = function() {
		ShowImage(2);
	}
}

function ShowImage(ref) {
	obj = document.getElementById("home_img");
	if(!obj) return;
	colImgs = obj.getElementsByTagName("div"); //image divs collection
	for (var i=0; i < colImgs.length; i++) {
		if(i != ref) colImgs[i].style.display = "none";
		else colImgs[i].style.display = "block";
	}
}

window.onload = function() { //onload events (superceeds onload in onload-init)
	ExternalLinks(); //link_compliance.js
	InitRollovers(); //above
}