function changeprice(price,extra)
{
 var price1;
 var extra1;
 var total;
 price1=parseFloat(price);
 extra1=parseInt(extra);
 if(document.getElementById('extra_bed').checked==true)
	{
     total=price1+extra1;
	 //document.getElementById('extra_amount').innerHTML='$'+extra1+'.00';
	 //document.getElementById('total_amount').innerHTML='$'+total;
	 document.getElementById('extra_amt').value=extra1;
	 document.getElementById('total_amt').value=total;
	 //alert(total)
	}
	else
	{
	//document.getElementById('extra_amount').innerHTML='$0'+'.00';
	//document.getElementById('total_amount').innerHTML='$'+price;
	document.getElementById('extra_amt').value=0;
	document.getElementById('total_amt').value=price;
	}

}