function TabClick(region,tab,tabs)
{	
	var obj2=null;
	var objTitle=null;		
	var length=tabs.length;		
	for(var i=0;i<length;i++)
	{
		//alert(tabs[i]);
		obj=document.getElementById(region+tabs[i]);
		objTitle=document.getElementById(region+tabs[i]+"Title");
		objTitle.background="/Resource/images/main_list_btn2.gif";
		objTitle.style.color="#c76903";
		objTitle.style.fontWeight="normal";
		obj.style.display="none";
	}
	
	obj=document.getElementById(region+tab);
	objTitle=document.getElementById(region+tab+"Title");	
	objTitle.background="/Resource/images/main_list_btn1.gif";	
	objTitle.style.color="#000000";
	objTitle.style.fontWeight="normal";
	obj.style.display="block";
}

function GetSelectValue(selectID)
{
    var obj=document.getElementById(selectID);
        
    if(obj==null)
    {
        return null;
    }
    
    return obj.options[obj.selectedIndex].value;
}

function show(controlID)
{	
	var obj=document.getElementById(controlID);
	obj.style.display="block";	
}

function hide(controlID)
{	
	var obj=document.getElementById(controlID);
	obj.style.display="none";
}

function channel_leftMenu(tab,tabs)
{    
    var length = tabs.length;
    for (var i = 0; i < length; i++)
    {
        hide(tabs[i]);
    }    
    show(tab);    
}