// this function is needed to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  }   

 function stripe(id) {

    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
  
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    var evenColor = arguments[1] ? arguments[1] : "#1E1D1F";
    var oddColor = arguments[2] ? arguments[2] : "#333333";
  
    // obtain a reference to the desired table
    // if no such table exists, abort
    var table = document.getElementById(id);
    if (! table) { return; }
    
    // by definition, tables can have more than one tbody
    // element, so we'll have to get the list of child
    // <tbody>s 
    var tbodies = table.getElementsByTagName("tbody");

    // and iterate through them...
    for (var h = 0; h < tbodies.length; h++) {
    
     // find all the &lt;tr&gt; elements... 
      var trs = tbodies[h].getElementsByTagName("tr");
      
      // ... and iterate through them
      for (var i = 0; i < trs.length; i++) {

        // avoid rows that have a class attribute
        // or backgroundColor style
        if (! hasClass(trs[i]) &&
            ! trs[i].style.backgroundColor) {
 		  
          // get all the cells in this row...
          var tds = trs[i].getElementsByTagName("td");
        
          // and iterate through them...
          for (var j = 0; j < tds.length; j++) {
        
            var mytd = tds[j];

            // avoid cells that have a class attribute
            // or backgroundColor style
            if (! hasClass(mytd) &&
                ! mytd.style.backgroundColor) {
        
              mytd.style.backgroundColor =
                even ? evenColor : oddColor;
            
            }
          }
        }
        // flip from odd to even, or vice-versa
        even =  ! even;
      }
    }
  }
  
//Dealer Locator and What Suits My Car? error checking
function checkinput() {
	var pc = document.DealerLocator.dlpostcode.value;
	return checkpostcode(pc);
}
function checkinput1() {
	var pc = document.DealerLocator1.dl1postcode.value;
	return checkpostcode(pc);
}
function checkpostcode(pc){
	if(pc==""){
		alert("Please enter a postcode.");
		return false;
	}else if(pc<200){
		alert("The postcode cannot be lower than 200.");
		return false;
	}else if(!isnumeric(pc)){
		alert("The postcode must only contain numbers.");
		return false;
	}else{
		return true;
	}
}
function checkinput2() {
	var state = document.DealerLocator2.dlstate.selectedIndex;
	var suburb = document.DealerLocator2.dlsuburb.selectedIndex;
	if(state==0 || suburb==0){
		alert("Please select a state and suburb from the menus.");
		return false;
	}else{
		return true;
	}
}
function isnumeric(str) {
   var validchars = "0123456789";
   var isnumber=true;
   var char;
   for (i = 0; i < str.length && isnumber == true; i++){ 
      char = str.charAt(i); 
      if (validchars.indexOf(char) == -1){
         isnumber = false;
      }
   }
   return isnumber;   
}
function SaveSuburbText(){
	var menu = document.StoreLocator2.dlsuburb;
	var suburb = menu.options[menu.selectedIndex].text;
	document.StoreLocator2.SuburbText.value = suburb;
}