function menu(obj)
{
	var j;
	var k;
	for(var i=1;i<4;i++)
	{
		if(i == 1) j =2;
		if(i == 2) j =3;
		if(i == 3) j =5;
		$('pp_'+i).style.display="none";
		$('menu_'+i).className="menu"+j;
	}
	
		if(obj == 1) k =1;
		if(obj == 2) k =4;
		if(obj == 3) k =6;
	$('pp_'+obj).style.display="";
	$('menu_'+obj).className="menu"+k;
}
function check(pagess)
{	
	 if (Number(document.udp.page.value)>pagess || Number(document.udp.page.value)<=0){
			
			document.udp.page.value="";
			document.udp.page.focus();
			
			return false;
		}
	return true;
}
function isNumberKey(evt)
{
 var charCode = (evt.which) ? evt.which : evt.keyCode
 if (charCode > 31 && (charCode < 48 || charCode > 57))
 {	
	return false;	
 }
 return true;
}