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,imageID, imagefile, imagelink, 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;
	document.getElementById(imageid).alt = imageID;
	//document.getElementById(imageid).className = imagelink;
	document.getElementById("blendhref").href = imagelink;

	//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)
}


function blendhref_onclick() {
location.href=(document.getElementById("blendimage").className);

}


function removeSelectionAll(){
 document.getElementById("td0").style.backgroundColor="#eee";
    document.getElementById("td1").style.backgroundColor="#eee";
    document.getElementById("td2").style.backgroundColor="#eee";
    document.getElementById("td3").style.backgroundColor="#eee";
    document.getElementById("td4").style.backgroundColor="#eee";
   document.getElementById("td0").style.color="#333333"
   document.getElementById("td1").style.color="#333333"
document.getElementById("td2").style.color="#333333"
document.getElementById("td3").style.color="#333333"
document.getElementById("td4").style.color="#333333"




  }


var rotate_delay = 5000; // delay in milliseconds (5000 = 5 secs)
current = 0;

function rotate() {

current = (current == document.slideform.slide.length-1) ? 0 : current+1;
//document.images.show.src = document.slideform.slide[current].value;

blendimage('blenddiv','blendimage', document.slideform.slide[current].text,document.slideform.slide[current].value,document.slideform.slide[current].id ,900)
removeSelectionAll();
//this.style.backgroundColor='red'
document.getElementById("td" + current ).style.backgroundColor="red";
document.slideform.slide.selectedIndex = current;
window.setTimeout("rotate()", rotate_delay);
//document.write (document.slideform.slide[current].text);

}


function clearPreloadPage() { //DOM
current = (current == document.slideform.slide.length-1) ? 0 : current;
if (document.getElementById){
document.getElementById('prepage').style.visibility='hidden';
}else{
if (document.layers){ //NS4
document.prepage.visibility = 'hidden';
}
else { //IE4
document.all.prepage.style.visibility = 'hidden';
}
}
}




function highlight(index){
document.forms[index].elements[0].focus();
document.forms[index].elements[0].select();
}



function preloader() 
{
heavyImage = new Image(); 


for(i = 0; i <= document.slideform.slide.length-1; i++) {
		heavyImage.src = document.slideform.slide[current].value;

	}
}