var dom = document.getElementById;
var ns4 = document.layers;
var ie = document.all;
var navvy = false;
var killit = false;

function swapImage(imageName)
{
	var oImage = document.getElementById(imageName);
	oImage.src = "images/"+imageName+"_over.jpg";
}
function swapBack(imageName)
{
	var oImage = document.getElementById(imageName);
	oImage.src = "images/"+imageName+".jpg";
}
function preloader()
{
	imOb = new Array();
	strImages = "images/home_over.jpg,images/res_over.jpg,images/com_over.jpg,images/contact_over.jpg,images/agents_over.jpg,images/ind_over.jpg";
	imageArr = strImages.split(",");
	for(i=0; i<imageArr.length; i++) 
	{
		imOb[i] = new Image;
		imOb[i].src = imageArr[i];
	}
}


function showLeftVizzy(obj,e,oMenu)
{
	if(killit)
		clearTimeout(killit);
	if (navvy) 
		hideLeftVizzy();
	var lef = getLeft(obj);
	var topz = getTop(obj);
	navvy = document.getElementById(oMenu);
	navvy.style.left = lef + "px";
	navvy.style.top = topz + 37 + "px";
	if (window.event) 
	       event.cancelBubble=true;
	else if (e.stopPropagation) 
	       e.stopPropagation();
	navvy.style.display = "block";
	navvy.onmouseover=clearhidemenu;
	navvy.onmouseout = (ie ? function(){ dynamichide(event)} : function(event){ dynamichide(event)});
}



function getLeft(obj)
{
	var left = 0;
	while (obj)
	{
		left += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	return left;
}
function getTop(obj)
{
	var top = 0;
	while (obj)
	{
		top += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return top;
}

function clearhidemenu()
{
	clearTimeout(killit);
}

function dynamichide(e)
{
	if(ie && (!navvy.contains(e.toElement) || e.toElement == null))
		hideLeftVizzy();
	else if (e.currentTarget != e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))
		hideLeftVizzy();
}
function contains_ns6(a, b) 
{
	while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
	return false;
}
function hideLeftVizzy()
{
	navvy.style.display = "none";
}
function tmZer()
{
	killit = setTimeout("hideLeftVizzy()",100);
}