var lev2=null;
var lev3=null;
var lev4=null;
var par=null;
var tm;

function getOffsetX(_Object)
{
	return (_Object.offsetParent!=null)?_Object.offsetLeft+getOffsetX(_Object.offsetParent):0
}

function getOffsetY(_Object)
{
	return (_Object.offsetParent!=null)?_Object.offsetTop+getOffsetY(_Object.offsetParent):0
}

function showlevel2(element)
{	
	if(element==lev2)
		return;
	if(lev4)
		hidelevel4();
	if(lev3)
		hidelevel3();
	if(lev2)
		hidelevel2();
	if(!document.getElementById(element))
		return;
	
	document.getElementById(element).style.display = "inline";
	document.getElementById('lev1_'+element).style.backgroundColor = '#453F9B';
	document.getElementById('lev1_'+element+'_sp').style.color = '#FFFFFF';
	lev2 = element;
	return;
}

function hidelevel2()
{
	if(!lev2)
		return;
	document.getElementById(lev2).style.display = "none";
	document.getElementById('lev1_'+lev2).style.backgroundColor = 'transparent';
	document.getElementById('lev1_'+lev2+'_sp').style.color = '#000000';
	lev2 = null;
	return;
}

function showlevel3(element)
{
	if(element==lev3)
		return;
	if(lev4)
		hidelevel4();
	if(lev3)
		hidelevel3();
	if(!document.getElementById(element))
		return;
	document.getElementById(element).style.display = "inline";
	document.getElementById('lev2_'+element).style.backgroundImage = 'url('+ths_fld+'pics/menu2elbgv.gif)';
	document.getElementById('lev2_'+element+'_sp').style.color = '#FFFFFF';
	document.getElementById('lev2_'+element+'_bok1').style.backgroundImage = 'url('+ths_fld+'pics/menu2el1v.gif)';
	document.getElementById('lev2_'+element+'_bok2').style.backgroundImage = 'url('+ths_fld+'pics/menu2el2v.gif)';
	lev3 = element;
	return;
}

function hidelevel3()
{
	if(!lev3)
		return;
	document.getElementById(lev3).style.display = "none";
	document.getElementById('lev2_'+lev3).style.backgroundImage = 'url('+ths_fld+'pics/menu2elbg.gif)';
	document.getElementById('lev2_'+lev3+'_sp').style.color = '#000000';
	document.getElementById('lev2_'+lev3+'_bok1').style.backgroundImage = 'url('+ths_fld+'pics/menu2el1.gif)';
	document.getElementById('lev2_'+lev3+'_bok2').style.backgroundImage = 'url('+ths_fld+'pics/menu2el2.gif)';
	lev3 = null;
	return;
}

function showlevel4(element)
{
	clearTimeout(tm);
	if(element==lev4)
		return;
	if(lev4)
		hidelevel4();
	if(!document.getElementById(element))
		return;
	var lv = document.getElementById('lev3_'+element);
	var el = document.getElementById(element);
	var etop = getOffsetY(lv)+lv.offsetHeight+2;
	var eleft = getOffsetX(lv)-1;
	if(navigator.appName=="Opera")
	{
		if(navigator.appVersion.indexOf("9.5")==-1)
		{
			etop = lv.offsetTop + 32;
			eleft = lv.offsetLeft;
		}
		else
		{
			etop -= 2;
		}
	}
	if((navigator.appName=="Netscape")&&(navigator.appVersion.indexOf("Safari")==-1))
	{
		etop -= 22;
	}
	if((navigator.appName=="Netscape")&&(navigator.appVersion.indexOf("Safari")!=-1))
	{
		etop -= 12;
	}
	el.style.display = "block";
  el.style.top = etop + 'px';
  el.style.left = eleft + 'px';
	lv.style.color = '#1C186F';
	lev4 = element;
	return;
}

function hidelevel4()
{
	if(!lev4)
		return;
	document.getElementById(lev4).style.display = "none";
	document.getElementById('lev3_'+lev4).style.color = '#FFFFFF';
	lev4 = null;
	return;
}

function time_on()
{
	tm=setTimeout('hidelevel4()',500);
	return;
}

function setcolor(element,color)
{
	document.getElementById(element).style.backgroundColor = color;
}