var str_arr=new Array();
var sub_str_arr=new Array();
var l=s=0;
function div_expand(val,valsub)
{//alert(val+','+valsub);
	if(l==1)
	{
		try
		{
			var last=str_arr[str_arr.length-1];
			str_arr.pop(last);
			document.getElementById(last).style.display='none';	
			document.getElementById("txt_"+last).className='cat_txt';	
			document.getElementById("img_"+last).src=js_site_img+'grayrightarrow.gif';
		}
		catch(e) {}
		if(s==1)
		{
			var sublast=sub_str_arr[sub_str_arr.length-1];
			sub_str_arr.pop(sublast);
			document.getElementById(sublast).style.display='none';	
			document.getElementById("txt_"+sublast).className='cat_txt';	
			s=0;
		}
		if(last==val)
		{
			l=0;
		}
		else
		{
			if(valsub!='')
			{
				sub_str_arr.push(valsub);
				document.getElementById(valsub).style.display='';
				document.getElementById("txt_"+valsub).className='cat_txt_sel';	
				s=1;	
			}
			try
			{
				str_arr.push(val);
				document.getElementById(val).style.display='';
				document.getElementById("txt_"+val).className='cat_txt_sel';
				document.getElementById("txt_3"+val).className='cat_txt_sel';
				document.getElementById("img_"+val).src=js_site_img+'skybottarrow.gif';
				l=1;
			}
			catch(e) {}
		}
	}
	else
	{
		try {
			str_arr.push(val);
			document.getElementById(val).style.display='';
			document.getElementById("txt_"+val).className='cat_txt_sel';
			l=1;	
			}
		catch(e) {}	
	}
}

var str_arr_sim=new Array();
var l=0;
function div_expand_sim(val)
{
	if(l==1)
	{
		var last=str_arr_sim[str_arr_sim.length-1];
		str_arr_sim.pop(last);
		document.getElementById(last).style.display='none';	
		if(last==val)
		{
			l=0;
		}
		else
		{
			str_arr_sim.push(val);
			document.getElementById(val).style.display='';
			l=1;	
		}
	}
	else
	{
		str_arr_sim.push(val);
		document.getElementById(val).style.display='';
		l=1;	
	}
}