function P2W_SetElementDisplay(indOn, allEl)
{
    for(var i=0; i<allEl.length; i++)
    {
        var obj = document.getElementById(allEl[i]);           
        if(obj!= null) 
            obj.style.display = "none";
    }       
    
    for(var i=0; i<indOn.length; i++)
    {
       var obj = document.getElementById(allEl[indOn[i]]); 
	if(obj!= null)            
        obj.style.display = "";           
    }           
}
function P2W_SetElementClass(indOn, allEl)
{
    for(var i=0; i<allEl.length; i++)
    {
        var obj = document.getElementById(allEl[i]);   
        if(obj!= null)      
            obj.className = "";
    }       
    
    for(var i=0; i<indOn.length; i++)
    {
        var obj = document.getElementById(allEl[indOn[i]]);
	if(obj!= null)             
        obj.className = "selected";           
    }           
}