/* moving menu */

var etColDelay = 500;	/* Zeitverzögerung 1te Spalte */
var etColDelay2 = 1200; /* Zeitverzögerung 2te Spalte */
var etColDelay3 = 1900; /* Zeitverzögerung 3te Spalte */
var etColDelay4 = 2600; /* Zeitverzögerung 4te Spalte */
var etGrowDelay  = 5;	/* Zeitverzögerung beim wachsen */
var etShrinkDelay  = 5;/* Zeitverzögerung beim schrumpfen */
var etGrowStep = 3;	/* Schrittweite beim schrumpfen */
var etShrinkStep = 2;		/* Schrittweite beim wachsen */


function etLetThemGrow ()	{
	document.getElementById("c1").style.height= "60px";
	document.getElementById("c2").style.height= "60px";
	document.getElementById("c3").style.height= "60px";
	document.getElementById("c4").style.height= "60px";
	etOneStep1 = window.setTimeout('etOneStepUp ("c1",260)', etColDelay);
	etOneStep2 = window.setTimeout('etOneStepUp ("c2",260)', etColDelay2);
	etOneStep3 = window.setTimeout('etOneStepUp ("c3",260)', etColDelay3);
	etOneStep4 = window.setTimeout('etOneStepUp ("c4",260)', etColDelay4);
	}

function etOneStepUp (etObj,etTarget)	{
	n=document.getElementById(etObj).style.height;
	n=n.substring(0,n.length-2);
	if (n>etTarget)	{
		n = Math.max(n-etShrinkStep,etTarget);
		etDelay = etShrinkDelay;
		};
	if (n<etTarget)	{
		n = Math.min(n-(0-etGrowStep),etTarget);
		etDelay = etGrowDelay;
		};
	nval = n+"px";
	document.getElementById(etObj).style.height = nval;
	if (n != etTarget)	{
		if (etObj == "c1") etOneStep1 = window.setTimeout('etOneStepUp ("c1",'+etTarget+')', etDelay);
		if (etObj == "c2") etOneStep2 = window.setTimeout('etOneStepUp ("c2",'+etTarget+')', etDelay);
		if (etObj == "c3") etOneStep3 = window.setTimeout('etOneStepUp ("c3",'+etTarget+')', etDelay);
		if (etObj == "c4") etOneStep4 = window.setTimeout('etOneStepUp ("c4",'+etTarget+')', etDelay);
		};
	}

function etInitCols	()	{
	document.getElementById("c1").style.height= "60px";
	document.getElementById("c2").style.height= "60px";
	document.getElementById("c3").style.height= "60px";
	document.getElementById("c4").style.height= "60px";
	etOneStep1 = window.setTimeout('etOneStepUp ("c1",60)', 0);
	etOneStep2 = window.setTimeout('etOneStepUp ("c2",60)', 0);
	etOneStep3 = window.setTimeout('etOneStepUp ("c3",60)', 0);
	etOneStep4 = window.setTimeout('etOneStepUp ("c4",60)', 0);
	}

function etCols (c1Target,c2Target,c3Target,c4Target)	{
	if (etOneStep1) window.clearTimeout(etOneStep1);
	if (etOneStep2) window.clearTimeout(etOneStep2);
	if (etOneStep3) window.clearTimeout(etOneStep3);
	if (etOneStep4) window.clearTimeout(etOneStep4);
	etOneStepUp ("c1",c1Target);
	etOneStepUp ("c2",c2Target);
	etOneStepUp ("c3",c3Target);
	etOneStepUp ("c4",c4Target);
	}

/* prevcont */

function etInitPage()	{
etDiv = document.getElementById("prevcontframe");
etLeft= document.getElementById("previmgleft");
etRight= document.getElementById("previmgright");

etScrolling = false;
DELAY = 50;
};

function scroll2Left( etEvent,etSpeed )	{
	if ( etEvent )	etScrolling = true;
	if ( etScrolling )	{
		if ( etDiv.scrollLeft > 0 )	{
			etRight.src = "img/prevright.gif";
			etDiv.scrollLeft -= etSpeed;
			window.setTimeout( "scroll2Left(false,"+etSpeed+")", DELAY );
		}
		else	{
			etLeft.src = "img/prevleft_off.gif";
		};
	};
};

function scroll2Right( etEvent,etSpeed )	{
		if ( etEvent ) etScrolling = true;
		if ( etScrolling )	{
			etLeft.src = "img/prevleft.gif";
			et1 = etDiv.scrollLeft;
			etDiv.scrollLeft += etSpeed;
			if (et1 == etDiv.scrollLeft) etRight.src = "img/prevright_off.gif";
			if (0 == etDiv.scrollLeft) etLeft.src = "img/prevleft_off.gif";
			window.setTimeout( "scroll2Right(false,"+etSpeed+")", DELAY );
		};
};

function stopScrolling()	{
	etScrolling = false;
}