// JScript File

   function SetCookie(sName, sValue)
    {
        document.cookie = sName + "=" + escape(sValue);
        
        // Expires the cookie in one month
        var date = new Date();
        date.setMonth(date.getMonth()+1);
        document.cookie += ("; expires=" + date.toUTCString()); 
    }

    function GetCookie(sName)
    {
      // cookies are separated by semicolons
      var aCookie = document.cookie.split("; ");
      for (var i=0; i < aCookie.length; i++)
      {
        // a name/value pair (a crumb) is separated by an equal sign
        var aCrumb = aCookie[i].split("=");
        if (sName == aCrumb[0]) 
          return unescape(aCrumb[1]);
      }
      // a cookie with the requested name does not exist
      return null;
    }


    function ClearValue(field, strCheck)
        {
	        if(field.value == strCheck)
	        field.value = "";				
        }
    function Repopulate(field, strCheck)
        {
	        if(field.value == "")
	        field.value = strCheck;
        }	

    function doClick(buttonName,e)
    {

        var key;

         if(window.event)
              key = window.event.keyCode;     //IE
         else
              key = e.which;     //firefox
    
        if (key == 13)
        {
            //Get the button the user wants to have clicked
            var btn = document.getElementById(buttonName);
            if (btn != null)
            { //If we find the button click it
                btn.click();
                event.keyCode = 0
            }
        }
   }


    function handleError() {
	    //return true;
    }

    window.onerror = handleError;

    function CurrencyFormatted(amount)
    {
        var i = parseFloat(amount);
        if(isNaN(i)) { i = 0.00; }
        var minus = '';
        if(i < 0) { minus = '-'; }
        i = Math.abs(i);
        i = parseInt((i + .005) * 100);
        i = i / 100;
        s = new String(i);
        if(s.indexOf('.') < 0) { s += '.00'; }
        if(s.indexOf('.') == (s.length - 2)) { s += '0'; }
        s = minus + s;
        return s;
    }
    // end of function CurrencyFormatted()

    // Google Tracking loader script
    var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
    document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));

    function switchMenu(obj, linkText) {
        var el = document.getElementById(obj);
        var filterstore = document.getElementById('filter_FilterDrops');
        var switchlink = document.getElementById(obj + 'link');
        
        if ( el.style.display != "none" ) {
            // close it
	        el.style.display = 'none';
	        filterstore.value += obj + 'c|';
	        switchlink.innerHTML = '» Show' + linkText;
        }
        else {
            // open it
	        el.style.display = '';
	        filterstore.value += obj + 'o|';
	        switchlink.innerHTML = '» Hide' + linkText;
        }
    }


    function closeMenu(obj) {
        var el = document.getElementById(obj);
	    el.style.display = 'none';
    }

    function openMenu(obj) {
        var el = document.getElementById(obj);
	    el.style.display = '';
    }

    function roundNumber(rnum, rlength) { // Arguments: number to round, number of decimal places
      var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
      return newnumber; // Output the result to the form field (change for your purposes)
    }

    function checkPostCode (toCheck) {
    
      // blank?
      if (toCheck == 'Enter Keyword')
        {
            toCheck = '';
        }

      // Permitted letters depend upon their position in the postcode.
      var alpha1 = "[abcdefghijklmnoprstuwyz]";                       // Character 1
      var alpha2 = "[abcdefghklmnopqrstuvwxy]";                       // Character 2
      var alpha3 = "[abcdefghjkstuw]";                                // Character 3
      var alpha4 = "[abehmnprvwxy]";                                  // Character 4
      var alpha5 = "[abdefghjlnpqrstuwxyz]";                          // Character 5
      
      // Array holds the regular expressions for the valid postcodes
      var pcexp = new Array ();

      // Expression for postcodes: AN NAA, ANN NAA, AAN NAA, and AANN NAA
      pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1,2})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
      
      // Expression for postcodes: ANA NAA
      pcexp.push (new RegExp ("^(" + alpha1 + "{1}[0-9]{1}" + alpha3 + "{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));

      // Expression for postcodes: AANA  NAA
      pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1}" + alpha4 +"{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
      
      // Exception for the special postcode GIR 0AA
      pcexp.push (/^(GIR)(\s*)(0AA)$/i);
      
      // Standard BFPO numbers
      pcexp.push (/^(bfpo)(\s*)([0-9]{1,4})$/i);
      
      // c/o BFPO numbers
      pcexp.push (/^(bfpo)(\s*)(c\/o\s*[0-9]{1,3})$/i);
      
      // Overseas Territories
      pcexp.push (/^([A-Z]{4})(\s*)(1ZZ)$/i);

      // Load up the string to check
      var postCode = toCheck;

      // Assume we're not going to find a valid postcode
      var valid = false;
      
      // Check the string against the types of post codes
      for ( var i=0; i<pcexp.length; i++) {
        if (pcexp[i].test(postCode)) {
        
          // The post code is valid - split the post code into component parts
          pcexp[i].exec(postCode);
          
          // Copy it back into the original string, converting it to uppercase and
          // inserting a space between the inward and outward codes
          postCode = RegExp.$1.toUpperCase() + " " + RegExp.$3.toUpperCase();
          
          // If it is a BFPO c/o type postcode, tidy up the "c/o" part
          postCode = postCode.replace (/C\/O\s*/,"c/o ");
          
          // Load new postcode back into the form element
          valid = true;
          
          // Remember that we have found that the code is valid and break from loop
          break;
        }
      }
      
      // Return with either the reformatted valid postcode or the original invalid 
      // postcode
      if (valid)
        {
            window.location = 'findprice.aspx?s=' + postCode;
        }
    else
        {   
            window.location = 'process.aspx?mode=search&val=' + postCode;
        }
       
    }

    function checkEnter(e)
    
    { 
        var characterCode
    
        characterCode = e.keyCode 
        
        if (characterCode == 13)
            {
                alert('eee');
            }
    
    
    }
    
    function getXMLHTTP() {
        var XMLHTTP = null;
        if (window.ActiveXObject) {
            try {
                XMLHTTP = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    XMLHTTP = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {
                }
            }
        } else if (window.XMLHttpRequest) {
            try {
                XMLHTTP = new XMLHttpRequest();
            } catch (e) {
            }
        }
        return XMLHTTP;
    }
    
    function stateChanged() {
        if (XMLHTTP.readyState == 4 &&
            XMLHTTP.status ==200) {
            if (XMLHTTP.responseText == 'diff') {
                // it never will now as basket cleared
                window.alert("When choosing products to compare, they must be of the same type. For example, you can only compare laminate products with other laminate products. To compare a different type of product you must first remove the other products from your comparison range. To view your current compared products, please click on the 'Compare Selected' link.");
            }
        }
    }
    
	var XMLHTTP = getXMLHTTP();

    function addToCompareBasket(productID) {
        if (XMLHTTP != null) {
            XMLHTTP.open("GET", "process.aspx?sendData=ok&mode=ADDCOMPARE&productid=" + productID, true);
            XMLHTTP.onreadystatechange = stateChanged;
            XMLHTTP.send(null);
        }
    }