function chkProductList(f) {
	if (isBlank(f.value)) {
		alert("You must enter a quantity");
		f.focus();
		return false;
	}

	if (!isNumber(f.value)) {
		alert("The quantity must be numeric");
		f.focus();
		return false;
	}

	if (f.value < 1) {
	  	alert("You must enter a valid quantity.")
	  	f.focus();
	  	return false;
	}
}

function chkTastingList(f)
 {
	if (isBlank(f.value)) {
		alert("You must enter a quantity");
		f.focus();
		return false;
	}

	if (!isNumber(f.value)) {
		alert("The quantity must be numeric");
		f.focus();
		return false;
	}

	if (f.value < 1) {
	  	alert("You must enter a valid quantity.")
	  	f.focus();
	  	return false;
	}
	
	if (f.value > 12)
	{
	  	alert("You may only request a maximum of 12 tickets.")
	  	f.focus();
	  	return false;
	}
	 
}




function validQty(f,number) {	
	for (var x = 0;x < number; x++)
		{
		    v = eval("")
			v = q[x].value;
			if (!isValidQuantity(v)) {
			alert("Please enter a valid quantity!")
			q[x].focus();
			return false;
			}
	}
}

function isValidQuantity(quantity){
    if(isNaN(quantity.replace(/ /g,"")) || quantity=='' || quantity=='0' || quantity< 0){
        return false;
    } else {
        return true;
    }
}

function isBlank(v) {

	var tmpStr;
	
	tmpStr = v.replace(/\s/g,"");
	
	if (tmpStr.length>0)
		return false;
	else 
		return true;
}

function isNumber(v) { 
    	if (isNaN(v.replace(/ /g,""))) {
    		return false;
    	}
    	else return true;
}

function isEmail(v) {
	at=v.indexOf('@');
	dot=v.lastIndexOf('.');
	end=v.length;
	subone=v.substring(at+1,dot);
	domainbeforedot=subone.length;
	subtwo=v.substring(dot+1,end);
	domainafterdot=subtwo.length;
   	if (v.indexOf ('@',0) == -1 || v.indexOf ('.',0) == -1  || domainbeforedot < 1 || domainafterdot < 2 ) {
      		return false;
	}
   	else { 
   		return true; 
   	}
}

function isPostcode(v) {
 	size = v.length;
  	//Strip leading spaces
 	while (v.slice(0,1) == " ") {
 		v = v.substr(1,size-1);
 		size = v.length;
 	}
  	//Strip trailing spaces
	while(v.slice(size-1,size)== " ") {
		v = v.substr(0,size-1);
		size = v.length;
	}	
 	if (size < 6 || size > 8){ 
 		//Code length rule
   		return false;
  	}
 	if (!(isNaN(v.charAt(0)))){ 
 		//leftmost character must be alpha character rule
   		return false;
  	}
 	if (isNaN(v.charAt(size-3))){ 
 		//first character of inward code must be numeric rule
   		return false;
  	}
 	if (!(isNaN(v.charAt(size-2)))){ 
 		//second character of inward code must be alpha rule
   		return false;
  	}
 	if (!(isNaN(v.charAt(size-1)))){ 
 		//third character of inward code must be alpha rule
   		return false;
  	}
 	count1 = v.indexOf(" ");
 	count2 = v.lastIndexOf(" ");
 	if (count1 != count2){
 		// only one space rule
  		return false;
  	}
	return true;
}

function chkFieldDefaultText(v, defaultValue, action) {
	if (action == "blur") {
		if (isBlank(v.value)) {
			v.value = defaultValue
		}
	}
	if (action == "click") {
		if (v.value == defaultValue) {
			v.value = ""
		}
	}
}

    function validateProductCode(sender, args){
       code=document.getElementById(sender.controltovalidate).value
       if (code == 'product code' || code == '')
       {
             args.IsValid = false;
             return;
       }
       else{
             args.IsValid = true;
             return;
       }
    }
    
    function validateQuantity(sender, args){
       qty=document.getElementById(sender.controltovalidate).value
       if (qty > 0 || qty < 1000)
       {
             args.IsValid = true;
             return;
       }
       else{
             args.IsValid = false;
             return;
       }
    }

function handleEnter1 (field, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
			return false;
		} 
		else
		return true;
	}      

function handleEnter2 (btnId, event) {
	if(event.which || event.keyCode)
	{
	    if ((event.which == 13) || (event.keyCode == 13)) 
	        {
	            document.getElementById(btnId).click();
	            return false;
	        }
    } 
    else 
    {
        return true;
    }
  
}

function handleEnter3 (btnId, event) {
	if(event.which || event.keyCode)
	{
	    if ((event.which == 13) || (event.keyCode == 13)) 
	        {
	            //document.getElementById(btnId).click();
	            return false;
	        }
    } 
    else 
    {
        return true;
    }
  
}


function handleEnter4 (field, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
			var i;
			for (i = 0; i < field.form.elements.length; i++)
				if (field == field.form.elements[i])
					break;
			i = (i + 1) % field.form.elements.length;
			if (field.form.elements[i].value == '')
			{
			    alert('Please add quantity');
			    field.form.elements[i].focus();
			} else {
			    document.getElementById('ctl00_ContentPlaceHolder1_btnAddAll').click();
			}
			return false;
		} 
		else
		return true;
	}      


    function popUp(strURL,strType,strHeight,strWidth) {
    var strOptions="";
    if (strType=="console") strOptions="resizable,height="+strHeight+",width="+strWidth;
    if (strType=="fixed") strOptions="status,height="+strHeight+",width="+strWidth+",menubar=0,resizable=0,scrollbars=no";
    if (strType=="elastic") strOptions="toolbar,menubar,scrollbars,resizable,location,height="+strHeight+",width="+strWidth;
    window.open(strURL, 'newWin', strOptions);
    }
    
    function ismaxlength(obj,orig,mlength){
        if (obj.value == orig)
        {
            if ((obj.value.length > orig.length - 1) && (orig.length > mlength -1))
            {
                 obj.value=obj.value.substring(0,orig.length - 2 )
            }
        }
        else{
            if (obj.value.length > mlength -1)
            {
                 obj.value=obj.value.substring(0,mlength -2)
            }
        }
}


function getObject(objectId) {
   // checkW3C DOM, then MSIE 4, then NN 4.
   if (document.getElementById && document.getElementById(objectId)) {
	return document.getElementById(objectId).value;
   }
   else if (document.all && document.all(objectId)) {  
	return document.all(objectId).value;
   } 
   else if (document.layers && document.layers[objectId]) { 
	return document.layers[objectId];
   } else {
	return false;
   }
}

function RemoveZero(value) {
  if (value == 01){
    return 1}
        if (value == 02){
    return 2}
        if (value == 03){
    return 3}
        if (value == 04){
    return 4}
        if (value == 05){
    return 5}
        if (value == 06){
    return 6}
        if (value == 07){
    return 7}
        if (value == 08){
    return 8}
        if (value == 09){
    return 9}
    else{
    return value
    }
}


function bookmark(description,url)
{
netscape="Netscape and Firefox User's hit CTRL+D to add a bookmark to this site."
if (navigator.appName=='Microsoft Internet Explorer')
{
window.external.AddFavorite(url, description);
}
else if (navigator.appName=='Netscape')
{
alert(netscape);
} 
else
{ 
alert("Sorry! Your browser doesn't support this function.");
}
}