function changeImage(layer,imgName,imgObj) {
	if (ns4 && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
	else document.images[imgName].src = eval(imgObj+".src");
}

//-------------------------
function chkFile(url)
{var fileH;
var err=0;
fileH=new Image();
fileH.onLoad=er(1);
fileH.onError=er(2);
fileH.src=url;
function er(a){if(a==1){err=1;}else{err=0;}return false;}
return err;
}
//-------------------------
//limit value a: b<=a<=c
function limit(a,b,c){if (a<b) {a=b;}if (a>c) {a=c;}return a;}
//-------------------------
//between value a: b<=a<=c
function between(a,b,c){var r;if ((a<=b)&&(a>=c)) {r=true;} else {r=false;} return r;}
//-------------------------
//interpolate value a/b=c/x [ 0---b-------a = 0-x---c ] return x
function interp(itpa,itpb,itpc){var itpx=(itpa*itpc)/itpb;return itpx;}


//-------------------------
//fadein
/*
function fadeInOut(x,a,b,c)
{//x-this, a - from, b-to, c-steps
var step;
if(step<c)
{step+=1;
setTimeout({fadeInOut(x,a,b,c)},100);
}
}

//-------------------------
//animate
function animate(param,x,a,b,c)
{if(param){}
*/

//---------------------------------------------------------------------------------------
function formSwitchCss(color){
var col=(color.options[color.selectedIndex].value);
if (col){togleCss(col);}
}
function togleCss(a){
if ((a==0)||(!a))
var myCSS = new Asset.css('./css/index.css');
if ((a==1))
var myCSS = new Asset.css('./css/red.css');
if ((a==2))
var myCSS = new Asset.css('./css/dark.css');
if ((a==3))
var myCSS = new Asset.css('./css/blue.css');
if ((a==4))
var myCSS = new Asset.css('./css/silver.css');
if ((a==5))
var myCSS = new Asset.css('./css/gold.css');
}
//---------------------------------------------------------------------------------------
var adv=0;
var arotate=0

function advSw()
{

if (adv==0)
{adv=1;
document.getElementById("adv1").style.display="block";
document.getElementById("adv2").style.display="none";
document.getElementById("adv3").style.display="none";
}
else
{
	if (adv==1)
	{adv=2;
	document.getElementById("adv1").style.display="none";
	document.getElementById("adv2").style.display="block";
	document.getElementById("adv3").style.display="none";
	}
	else
	{
		{adv=0;
		document.getElementById("adv1").style.display="none";
		document.getElementById("adv2").style.display="none";
		document.getElementById("adv3").style.display="block";
		}
	}
}
if (arotate!=1){
window.clearTimeout("advSw()");
window.setTimeout("targt()",3000);
}
}

function targt()
{if (arotate!=1){window.clearTimeout("targt()");
window.setTimeout("advSw()",3000);}
}