function showhidden(id,i){
		var select_obj=document.getElementsByTagName("select");
		if(i==1){
			document.getElementById(id).style.display=""; 
		}else{
			document.getElementById(id).style.display="none";
		}
}
 function ss(val) {
		document.getElementById('s'+val).className='sh'+val+' '+'s'+val;		
		} 
    function dd(val) { 
		document.getElementById('s'+val).className='sh'+val;			
}