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)
}
	
// do not edit anything below this line
var t;
var j = 2;
var preLoad = new Array();
for (i = 0; i < p; i++) {
	var aux=Pic[i].split('|');
	preLoad[i] = new Image();
	preLoad[i].src = aux[0];
	preLoad[i].width= aux[1];
	preLoad[i].height= aux[2];
}

function runSlideShow() {
	blendimage('blenddiv','blendimage', preLoad[j].src,1500)
	j = j + 1;
	if (j > (p - 1)) j = 0;
	t = setTimeout('runSlideShow()', 8000);
}

function moveNextSlideShow() {
	j = j + 1;
	if (j > (p - 1)) j = 0;
	blendimage('blenddiv1','blendimage1', preLoad[j].src,300);
	document.getElementById('blendHighimage1').href = PicBig[j];
	j = j + 1;
	if (j > (p - 1)) j = 0;
	blendimage('blenddiv2','blendimage2', preLoad[j].src,300);
	document.getElementById('blendHighimage2').href = PicBig[j];
	j = j + 1;
	if (j > (p - 1)) j = 0;
	blendimage('blenddiv3','blendimage3', preLoad[j].src,300);
	document.getElementById('blendHighimage3').href = PicBig[j];
}

function movePrevSlideShow() {
	j = j - 1;
	if (j < 0 ) j = (p - 1);
	j = j - 1;
	if (j < 0 ) j = (p - 1);
	j = j - 1;
	if (j < 0 ) j = (p - 1);
	j = j - 1;
	if (j < 0 ) j = (p - 1);
	j = j - 1;
	if (j < 0 ) j = (p - 1);
	blendimage('blenddiv1','blendimage1', preLoad[j].src,300);
	document.getElementById('blendHighimage1').href = PicBig[j];
	j = j + 1;
	if (j > (p - 1)) j = 0;
	blendimage('blenddiv2','blendimage2', preLoad[j].src,300);
	document.getElementById('blendHighimage2').href = PicBig[j];
	j = j + 1;
	if (j > (p - 1)) j = 0;
	blendimage('blenddiv3','blendimage3', preLoad[j].src,300);
	document.getElementById('blendHighimage3').href = PicBig[j];
}