function ShowHide(elem_id)
{   	
  document.getElementById(elem_id).className = 
	(document.getElementById(elem_id).className == 'MenuLeftHidden') ?'MenuLeftShow' :'MenuLeftHidden';
}

function toggleChevronIcon(chevronID)
{    
    document.getElementById(chevronID).className = 
	(document.getElementById(chevronID).className == 'HeadHidden') ?'HeadVisible' :'HeadHidden';    
}

function JMenuLeftClick(menuId)
{    
    var ul = document.getElementsByTagName("li");        
    var first = 0;
    for(i=0; i<ul.length;i++)
    {       
        
        if(ul[i].id.indexOf(menuId) != -1 && ul[i].id != menuId)
        {            
            if(first == 0)
            {
                first = 1;
                ShowHide(ul[i].id);           
            }
            else
            {
                setTimeout("ShowHide('"+ul[i].id+"');",100);
            }           
        }
        else
        {
            if(ul[i].id == menuId)
            {
               toggleChevronIcon(menuId);
            }
        }
    }
}