function $(id){
	    return document.getElementById(id);
	}
	
function $$(item, tagName){
    if (typeof(item) == "string"){
        if ($(item) != null)
            return $(item).getElementsByTagName(tagName);
        else
            return null;
    }
    else{
        if (item.getElementsByTagName != null){
            return item.getElementsByTagName(tagName);
        }
        else{
           return null; 
        }
    }
}


function SetAllTabNormal(item)
{
	for (i=0;i <= $$("RssMenuHolder","td").length-1;i++)
	{
		if(i != item) $$("RssMenuHolder","td")[i].className = "RssMenuNormal";
	}
}

function SetAllHolderNormal(item)
{
	for (i=0;i <= $$("RssItemHolder","td").length-1;i++)
	{
		if(i != item) $$("RssItemHolder","td")[i].style.display = "none";
	}	
}


function SelectRssTab(item)
{
	SetAllTabNormal(item);
	$$("RssMenuHolder","td")[item].className = "RssMenuClickedSelected";
	SetAllHolderNormal(item);
	$$("RssItemHolder","td")[item].style.display = "block";
}

function OverRssTab(item)
{
	if ($$("RssMenuHolder","td")[item].className != "RssMenuClickedSelected")
	{
		$$("RssMenuHolder","td")[item].className = "RssMenuOver";
	}
}

function OutRssTab(item)
{
	if ($$("RssMenuHolder","td")[item].className != "RssMenuClickedSelected")
	{
		$$("RssMenuHolder","td")[item].className = "RssMenuNormal";
	}
}