/* function for opening popup window */
function openpopup(url,popup_name,height,width,other_properties)
{
	var left		= parseInt((screen.width-350)/2);
	var top			= parseInt((screen.height-300)/2)	
	var win_options = 'height=390,width=350,resizable=yes,' 
	+ 'scrollbars=yes,left=' + left + ',top=' + top;
	window.open(url,popup_name,win_options);
}

function checkDate(date_value)
{
	//valid format is DD/MM/YYYY
	
	var val_chk_dt = date_value.split("/");
	new_date = new Date(val_chk_dt[2],val_chk_dt[1]-1,val_chk_dt[0], 00, 00, 00);

	if(new_date.getFullYear()!=val_chk_dt[2]||new_date.getDate()!=val_chk_dt[0]||new_date.getMonth()!=val_chk_dt[1]-1){
		alert("Please enter valid date in DD/MM/YYYY format!");
			return false;
	}	
	return true;

}
/// Tool Tips

function doTooltip(e, msg) {
  if ( typeof Tooltip == "undefined" || !Tooltip.ready ){ 
	return; 
  }
  Tooltip.show(e, msg);
}
function hideTip() {
  if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
  Tooltip.hide();
}

function IsInt(sText)
{
   var ValidChars = "0123456789";
   var IsInt=true;
   var Char;
   var sText1 = sText.value;
   for (i = 0; i < sText1.length && IsInt == true; i++) 
   { 
      Char = sText1.charAt (i ); 
      if (ValidChars.indexOf(Char) == -1) 
      {
		 IsInt = false;
      }
   }
   return IsInt;
}
function validateEmail(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(email.length <= 0)
	{
	  return true;
	}
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}
function checkprod(Obj, msg){
   var ValidChars = "0123456789";
   var IsInt=true;
   var Char;
   var sText1 = Obj.value;
	if(sText1=='0')
	{
		alert("Please enter valid quantity!");
		Obj.focus();
		IsInt=false;
		return false;
	}
	else if (removeLeadingAndTrailingChar(sText1,' ') == '')
	{
			alert("Please enter quantity!");
			Obj.focus();
			IsInt=false;
			return false;
	}
   for (i = 0; i < sText1.length && IsInt == true; i++) 
   { 
	  Char = sText1.charAt (i ); 
	  if (ValidChars.indexOf(Char) == -1) 
	  {
			alert(msg);
			Obj.focus();
			IsInt=false;
			return false;
	  }
   }
   return true;
}

function removeLeadingAndTrailingChar (inputString, removeChar) 

{

	var returnString = inputString;

	if (removeChar.length)

	{

	  while(''+returnString.charAt(0)==removeChar)

		{

		  returnString=returnString.substring(1,returnString.length);

		}

		while(''+returnString.charAt(returnString.length-1)==removeChar)

	  {

	    returnString=returnString.substring(0,returnString.length-1);

	  }

	}

	return returnString;

}
function showhidetab(spanid)
{
var span_id = document.getElementById(spanid);
if (span_id.style.display != '') {
span_id.style.display='';
} else {
span_id.style.display='none';
}
}

function ChangeClass(spanid, type)
{
if(type=='id')
span_id = document.getElementById(spanid);
else
span_id = spanid;

if (span_id.className == 'leftsubnavhadericonbg') {
span_id.className='leftsubnavhadericonbg1';
} else {
span_id.className='leftsubnavhadericonbg';
}
}
function newsletter_check()
{

if(document.frm_nl.news_email.value=='')
{
alert('Please enter email address!');
document.frm_nl.news_email.focus();
return false;
}

else if(document.frm_nl.news_email.value!='')
{
if(!validateEmail(document.frm_nl.news_email.value))
{
alert('Please enter valid email address.');
document.frm_nl.news_email.focus();
return false;
}	

}
return true;
}


function login_check()
{

if(document.frm_login.email.value=='')
{
	alert('Please enter email address!');
	document.frm_login.email.focus();
	return false;
}
else if(document.frm_login.email.value!='')
{
	if(!validateEmail(document.frm_login.email.value))
	{
		alert('Please enter valid email address. ');
		document.frm_login.email.focus();
		return false;
	}	
}
if(document.frm_login.password.value=='')
{
alert('Please type your password ');
document.frm_login.password.focus();
return false;
}
return true;
}

function validateEmail(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
var splitted = email.match("^(.+)@(.+)$");
if(splitted == null) return false;
if(splitted[1] != null )
{
var regexp_user=/^\"?[\w-_\.]*\"?$/;
if(splitted[1].match(regexp_user) == null) return false;
}
if(splitted[2] != null)
{
var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
if(splitted[2].match(regexp_domain) == null) 
{
var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
if(splitted[2].match(regexp_ip) == null) return false;
}// if
return true;
}
return false;
}
function checksearch()
{
var obj = document.getElementById('searchtxt');
var txt = obj.value;
if(txt == '' || txt == 'Search')
{
alert('Please enter keyword to search ');
obj.focus();
return false;
}
else
{
window.location.href="/search.php?searchtxt="+txt;
}
return true;
}
function simplePreload()

{ 

  var args = simplePreload.arguments;

  document.imageArray = new Array(args.length);

  for(var i=0; i<args.length; i++)

  {

    document.imageArray[i] = new Image;

    document.imageArray[i].src = args[i];

  }

}

function addToBacket2()
{
	if(isNaN(document.getElementById('qty').value))
		document.getElementById('qty').value=1;
	var count = document.frmprod2.elements.length;
	for(i=1;i<count;i++) 
	{
		if(document.frmprod2.elements[i].id=="attr") 
		{
			if(document.frmprod2.elements[i][document.frmprod2.elements[i].selectedIndex].value == "")
			{
				alert("Please complete all fields before continuing to cart")
				document.frmprod2.elements[i].focus();
				return false;
			}
		}
	}

	pststr = '';
	for(i=1;i<count;i++) 
	{
		if(document.frmprod2.elements[i].id=="attr") 
		{
			if(document.frmprod2.elements[i][document.frmprod2.elements[i].selectedIndex].value != "")
			{
				pststr += "&"+document.frmprod2.elements[i].name+"="+document.frmprod2.elements[i][document.frmprod2.elements[i].selectedIndex].value;
			}
		}
	}
	
	var poststr = "prod_id=" + encodeURI( document.getElementById("prod_id_attrib").value ) + "&package_id=" + encodeURI( document.getElementById("package_id2").value ) + "&posted=true" + "&qty="+document.getElementById('qty').value  + pststr;

	makePOSTRequest('/product_attrib_pop.php', poststr,'p_attrib');
	
}