function show_pic(total){
		
			
		
			var data = '';
			
			for(i=1;i<=total;i++){
			
			data += '<input type="file" name="pic'+i+'"  /><br>';
			}
			
			 var resultarea= document.getElementById('pic');
			   resultarea.innerHTML = data;
		}
		
		function cal(){
			
			var cal1 = parseInt(document.getElementById('amt_s').value);
			var cal2 = parseInt(document.getElementById('amt_m').value);
			var cal3 = parseInt(document.getElementById('amt_l').value);
			var cal4 = parseInt(document.getElementById('amt_xl').value);
			
			var total;
			
			total = cal1+cal2+cal3+cal4;
			
	
			
			document.getElementById('total').value = total;
			
		}