var swapped = [];

function swapImage(ref,sc) {
	swapped.push(ref);
	var obj = document.getElementById(ref);
	if(!obj.oSrc) obj.oSrc = obj.src;
	obj.src = sc;
}

function resetImages() {
	if(swapped.length > 0) {
		for(var i=0; i<swapped.length; i++) {
			resetImage(swapped[i]);
		}
	}
}

function resetImage(ref) {
	var obj = document.getElementById(ref);
	if(!obj.oSrc) return;
	obj.src = obj.oSrc;
}

image1 = new Image();
image1.src = "http://www.hedgefundcalculator.com/images/select-report-on.gif";

image2 = new Image();
image2.src = "http://www.hedgefundcalculator.com/images/add-data-on.gif";

image3 = new Image();
image3.src = "http://www.hedgefundcalculator.com/images/generate-report-on.gif";

image4 = new Image();
image4.src = "http://www.hedgefundcalculator.com/images/free-report-on.png";


function toggle(obj) {
	var el = document.getElementById(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}