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, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;

	
	
	//document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(divid2).style.backgroundImage + ")";
	//changeOpac(0, divid2);
	document.getElementById(divid).style.backgroundImage = "url(" + imagefile+ ")";;

	
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + divid + "')",(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)
}

function fadestuff(){

if (faded == false){

	opacity("stuff", 100, 0, 1500);
	faded = true;
	
}
}

function toggleabout(){

	if(abouthidden == true)
	{
	
		if(contacthidden==false){
		opacity("contactbox", 100, 0, 250);
		contacthidden = true;
		}	
	
	document.getElementById("aboutbox").style.display = "block";
	opacity("aboutbox", 0, 100, 250);
	abouthidden = false;
	}
	else
	{
	opacity("aboutbox", 100, 0, 250);
	abouthidden = true;
	}
}

function togglecontact(){

	if(contacthidden == true)
	{
	
		if(abouthidden==false){
		opacity("aboutbox", 100, 0, 250);
		abouthidden = true;
		}
	
	document.getElementById("contactbox").style.display = "block";
	opacity("contactbox", 0, 100, 250);
	contacthidden = false;
	}
	else
	{
	opacity("contactbox", 100, 0, 250);
	contacthidden = true;
	}
}