// ———[ Image Rollover Effects ]——— //
var buttonOn = new Array();
var buttonOff = new Array();

var navImages = new Array("About","StructuralSteel","GratingExpanded","StainlessSteel","Processing","InventoryList","TriTunnel","IndustryLinks","ContactUs");

for (i = 0; i<navImages.length; i++)
	{
	buttonOff[i] = new Image();
	buttonOff[i].src = "images/mainNav_" + navImages[i] + "_off.gif"
	}

for (i = 0; i<navImages.length; i++)
	{
	buttonOn[i] = new Image();
	buttonOn[i].src = "images/mainNav_" + navImages[i] + "_on.gif"
	}

function switchImage(picName)
{
	for (i = 0; i<navImages.length; i++)
		{
		if (navImages[i].toLowerCase() == picName.toLowerCase())
			{
			var picNum = i;
			break;
			}
		}
	document.images[picName].src = (event.type == "mouseover")?buttonOn[picNum].src:buttonOff[picNum].src;
}