//Hide or show elements
function hideElement(getElem){
//Hides the font select area
 var ElemArea = document.getElementById(getElem);
 ElemArea.style.visibility = "hidden"
 
}
 
 
 
function showElement(getElem){
//Displays the font select area
 var ElemArea = document.getElementById(getElem);
 
 ElemArea.style.visibility = "visible"
}

function setNodeVal(getElement, getValue){
//Sets a node/text area to value
	getNode = document.getElementById(getElement);
	getNode.childNodes[0].nodeValue = getValue;
}


function getNodeVal(getElement){
//Returns node/text area value
	getNode = document.getElementById(getElement);
	return getNode.childNodes[0].nodeValue;
}


function formatCurrency(num) {  
	num = isNaN(num) || num === '' || num === null ? 0.00 : num; 
	return parseFloat(num).toFixed(2); 
}


//===== DD BOXES =====
function setDDBox(getFldName, getFldValue){
//Sets Combo box value to value	
	var fldName = eval(getFldName);
	var fldValue = getFldValue;
   	var i="";  
   	for (var i = 0; i < fldName.length; i++) {
         if (fldName.options[i].value == fldValue) {
		          fldName.options[i].selected=true;     	   
		 }
   	}
}




function getDDBoxValue(fldName){
//Gets Displayed value from DD
	var Indx = fldName.selectedIndex;
	return fldName.options[Indx].value;
}

/***** ORDER FORM *****/
function SetItemTotal(getName){
//Sets total for individual item
	Price = getName+'_price';
	Quantity = getName+'_quantity';
	Total = getNodeVal(Price) * document.getElementById(Quantity).value;

	setNodeVal(getName+'_total', formatCurrency(Total))


	// Do totals
	var ItemTotal = formatCurrency(SetTotal())

	//var GrandTotal = Number(ItemTotal) + 14;
	var GrandTotal = Number(ItemTotal);


	setNodeVal('grandtotalItem', formatCurrency(ItemTotal))
	setNodeVal('grandtotalTotal', formatCurrency(GrandTotal))
}



function SetTotal(){
//Gets total 
	productValue = document.getElementsByTagName('span')
	var TotalValue = 0;

	for(i=0; i < productValue.length; i++){
		if(productValue[i].className == 'itemTotal' ){
			TotalValue = eval(Number(productValue[i].childNodes[0].nodeValue) + Number(TotalValue))
		}

	}

	return formatCurrency(TotalValue)

}





function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;

	for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }


/* end order form */

/***** ALUMNI WINES *****/
function showLabel(LabelName){
	document.getElementById('LabelImage').src = "/images/alumni/"+LabelName+"_large.png"; 
	
	document.getElementById('orderContent').className = "textcontent Fade20";
	
	document.getElementById('LabelPopUp').style.display="block";
	
	//Set Location based on price box id (because it has an id)
	
	//Where top of table is
	var xTable = document.getElementById('tblOrder').offsetLeft;
	var yTable = document.getElementById('tblOrder').offsetTop;
	
	//Where TD with image is
	var ordTD = document.getElementById(LabelName+'_price').offsetParent;
	var xTD = ordTD.offsetLeft;
	var yTD = ordTD.offsetTop;
	
	//Totals centered
	var xCoord = (xTable+xTD)/2;	
	var yCoord = (yTable+yTD) - 257;

	//Move the box
	document.getElementById('LabelPopUp').style.left = xCoord+'px';
	document.getElementById('LabelPopUp').style.top = yCoord+'px';
}

function hideLabel(){
	document.getElementById('LabelPopUp').style.display="none";
	document.getElementById('orderContent').className = "textcontent";
	
}


/* end alumni wines */