function set_print_price(i, p_price)
	{	
		
		if(parseFloat(document.getElementById("hidden_id_"+i).value) == p_price )
			{
				document.getElementById("hidden_id_"+i).value = 0;
				document.getElementById("id_grand_hidden").value = parseFloat(document.getElementById("id_grand_hidden").value)-p_price;
			}
		else
			{
				document.getElementById("hidden_id_"+i).value = p_price;
				document.getElementById("id_grand_hidden").value = parseFloat(document.getElementById("id_grand_hidden").value)+p_price;
			}		
				
		document.getElementById("copy_span_id").innerHTML = parseFloat(document.getElementById("id_grand_hidden").value);	
		
	}


function del_ticket(j, num)
	{					
		if(document.getElementById("tick_del_"+j).value ==1)
			{	
				document.getElementById("tick_del_"+j).value =0;
				document.getElementById("total_span_id").innerHTML = eval(document.getElementById("total_span_id").innerHTML)-2*num;
			}
		else
			{
				document.getElementById("tick_del_"+j).value =1;
				document.getElementById("total_span_id").innerHTML = eval(document.getElementById("total_span_id").innerHTML)+2*num;
			}		
		
		if(document.getElementById("tick_del_"+j).value == 0)
			{				
				document.getElementById("td_tick_del_"+j).style.backgroundColor = "#FF98CC";
			}
		else
			{
				document.getElementById("td_tick_del_"+j).style.backgroundColor = "#FFFFFF";
			}	
	}