// JavaScript Document
Math._round = Math.round;
Math.round = function( num , dec )
{
if (typeof(dec) == "undefined") dec = 0; else dec = Math.floor( dec );
if (isNaN(num + dec) || dec < 0 || dec > 12) return Math._round( num );
var n = Math.pow( 10, dec );
return Math._round( num * n ) / n;
}
function tab(prefix,maxtabs,tabselected,nrow)
{	
	for(i=1;i<=maxtabs;i++)
	{
		if(i==tabselected)
		{
			if(tabselected==1 && nrow>0)
		{
			document.getElementById('subs').style.display="block";
			document.getElementById('xmllink').href="rss/zaplist/recent";
		}
		if(tabselected==2 && nrow>0)
		{
			document.getElementById('subs').style.display="block";
			document.getElementById('xmllink').href="rss/zaplist/comment";
		}
		if(tabselected==2 && nrow==0)
		{
			document.getElementById('subs').style.display="none";
		}
		if(tabselected==3 && nrow==0)
		{
			document.getElementById('subs').style.display="none";
		}
		if(tabselected==3 && nrow>0)
		{
			document.getElementById('subs').style.display="block";
			document.getElementById('xmllink').href="rss/zaplist/favour";
		}
		if(tabselected==4 && nrow>0)
		{
			document.getElementById('subs').style.display="block";
			document.getElementById('xmllink').href="rss/zaplist/withphoto";
		}
		document.getElementById(prefix+i).setAttribute("class", "current_page_item"); 
		document.getElementById(prefix+i).className="current_page_item"; 
		document.getElementById(prefix+i+'1').style.display='block';	
		}else 
		{
		document.getElementById(prefix+i).setAttribute("class", "page_item page-item-2"); 
		document.getElementById(prefix+i).className=""; 
		document.getElementById(prefix+i+'1').style.display='none';		
		}
	}
}