<!-- JAVASCRIPT FOR IMAGE ROLLOVER -->
    loadImage1 = new Image();
    loadImage1.src = "imgs/home_hover.png";

	staticImage1 = new Image();
    staticImage1.src = "imgs/home.png";

	loadImage2 = new Image();
    loadImage2.src = "imgs/faq_hover.png";
	
    staticImage2 = new Image();
    staticImage2.src = "imgs/faq.png";
	
    loadImage3 = new Image();
    loadImage3.src = "imgs/results_hover.png";
	
    staticImage3 = new Image();
    staticImage3.src = "imgs/results.png";

    loadImage4 = new Image();
    loadImage4.src = "imgs/volunteer_hover.png";
	
    staticImage4 = new Image();
    staticImage4.src = "imgs/volunteer.png";

<!-- END ROLLOVER -->

<!-- Javascript popups -->
	var newWindow=0;
	function popup(url, width, height){
			eval("newWindow=window.open(url,'window','toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width='+width+',height='+height+'');")
	}
<!-- END POPUPS -->


<!-- FORM CLEAR TEXT -->
function clickclear(thisfield, defaulttext) {
	if (thisfield.value == defaulttext) {
		thisfield.value = "";
	}
}

function clickrecall(thisfield, defaulttext) {
	if (thisfield.value == "") {
		thisfield.value = defaulttext;
	}
}
<!-- END FORM CLEAR -->

<!-- IMAGE TRANSITION -->
function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}
<!-- END IMAGE TRANSITIONS -->