// JavaScript Document

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		operational_structure_01_Engineering_Services_Intermet_over = newImage("images/operational_structure_01-En.gif");
		operational_structure_01_Operations_Pac_Rim_over = newImage("images/operational_structure_01-Op.gif");
		operational_structure_01_Engineering_Services_Sedgman_over = newImage("images/operational_structure_01-04.gif");
		operational_structure_01_Operations_Sedgman_over = newImage("images/operational_structure_01-05.gif");
		preloadFlag = true;
	}
}