//<script>

var aktPos=0;
var carDiff=4;
function catGo(posGo)
	{
	adv=document.getElementById('advContent')
	//adv.style.width=(carDiff*124)+'px'
	sm=adv.getElementsByTagName("A")
	if (  !aktLenght  ) 
		{
		aktLenght=sm.length
		};
	//alert(posGo+' - '+aktPos)
	if (  posGo=="L" && aktPos>0  ) 
		{
		aktPos--;
		//opacity(sm[aktPos+3].id, 100, 0, 200)
		sm[aktPos+carDiff].className='hidden';
		changeOpac(0, sm[aktPos].id)
		sm[aktPos].className='';
		opacity(sm[aktPos].id, 0, 100, 500)
		};
	if (  posGo=="R" && (aktPos+carDiff)<aktLenght  ) 
		{
		//opacity(sm[aktPos].id, 100, 0, 200)
		sm[aktPos].className='hidden';
		changeOpac(0, sm[aktPos+carDiff].id)
		sm[aktPos+carDiff].className='';
		opacity(sm[aktPos+carDiff].id, 0, 100, 500)
		aktPos++;
		};
	/*
	*/
	document.getElementById('goLeft').style.visibility=( (aktPos>0) ? ( 'visible' ) : ('') )
	document.getElementById('goRight').style.visibility=( ((aktPos+carDiff)<aktLenght) ? ( 'visible' ) : ('') )
	document.getElementById('goLeft').className=( (aktPos>0) ? ( '' ) : ('grayArr') )
	document.getElementById('goRight').className=( ((aktPos+carDiff)<aktLenght) ? ( '' ) : ('grayArr') )
	}
	
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)
}


function shine(objid, go)
	{
	document.getElementById(objid).style.backgroundColor=( (go==1) ? ( '#f9fbfb' ) : ('') )
	}