function up(field)
{
	var val=document.getElementById(field).value;
	document.getElementById(field).value=eval(val)+1;
	document.frmtiffinrightorder.submit();
}
function down(field)
{
	var val=document.getElementById(field).value;
	if(val > 1)	document.getElementById(field).value=eval(val)-1;
	document.frmtiffinrightorder.submit();
}

function saveOrder(date,menuid,qty,type)
{
	var qty_val='';
	if(qty)
	{
		qty_val=document.getElementById(qty).value;
		document.location.href="ordersave.php?date="+date+"&menuid="+menuid+"&qty="+qty_val+"&type="+type;
	}
	else
	{
		document.location.href="ordersave.php?date="+date+"&menuid="+menuid+"&type="+type;	
	}
}

function SetAllCheckBoxes(FormName, FieldName, CheckValue)
{
	if(!document.forms[FormName])
		return;
	var objCheckBoxes = document.forms[FormName].elements[FieldName];
	if(!objCheckBoxes)
		return;
	var countCheckBoxes = objCheckBoxes.length;
	if(!countCheckBoxes)
		objCheckBoxes.checked = CheckValue;
	else
		// set the check value for all check boxes
		for(var i = 0; i < countCheckBoxes; i++)
			objCheckBoxes[i].checked = CheckValue;
}


function getSelected(RedirectPageName)
{
	showConfirm('Delete Confirmation','Are you really sure to delete this record?','Yes',''+RedirectPageName+'?ids='+returnstring,'No','#');
}


function getSelected_old(FormName, FieldName , RedirectPageName)
{
	var returnstring="";
	if(!document.forms[FormName])
		return;
	var objCheckBoxes = document.forms[FormName].elements[FieldName];
	if(!objCheckBoxes)
		return;
	var countCheckBoxes = objCheckBoxes.length;
	for(var i = 0; i < countCheckBoxes; i++)
	{
		if(objCheckBoxes[i].checked)
		{
			returnstring +=	objCheckBoxes[i].value+',';
		}
	}
		
	if(returnstring == "")
	{
		showConfirm('Delete Confirmation','No data is/are checked for deleteion...!','OK','#','Cancel','#')
	}
	else
	{
		showConfirm('Delete Confirmation','Are you really sure to delete this record?','Yes',''+RedirectPageName+'?ids='+returnstring,'No','#')
	}
}

function chkdiscount(date,credit_given)
{
	var credit_used=document.getElementById("txtcreditused").value;
	if(document.getElementById("chkdiscount_"+date).checked)
	{
		credit_used++;
		document.getElementById("txtcreditused").value=credit_used;
		if(credit_used > credit_given)
		{
			alert("out of limit");
			document.getElementById("chkdiscount_"+date).checked=false;
			credit_used--;
			document.getElementById("txtcreditused").value=credit_used;
		}
	}
	else
	{
		credit_used--;
		document.getElementById("txtcreditused").value=credit_used;
	}
	document.getElementById("displaydiscount").innerHTML=credit_used+' / '+credit_given;
}

function DeleteConfirm(page)
{
	var flag=confirm("Are you sure to cancel this order?");
	if(flag)
	{
		document.location.href=page;
	}
}