// Swaps the background image for the Teasers and changes the style of the cursor to a hand
function changeClass(handDiv,elementName,newClass){

	elementName.className = newClass;
	handDiv.style.cursor='hand'
}
function changeImage(imageID,newImage){
	
		imageID.src=newImage
}

// If the Date field isn't a number or then set to DD, MM, YY on blur
function resetDate(field,display)
{
	if (isNaN(field.value)==true || field.value=="")
	{
		field.value=display
	}
}

// Clears the date field on focus if it is DD, MM, or YY
function setDate(field)
{
	if (isNaN(field.value)==true)
	{
		field.value=""
	}
}

// Auto Tab
var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input,len, e)
	{
		var keyCode = (isNN) ? e.which : e.keyCode; 
		var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
		if(input.value.length >= len && !containsElement(filter,keyCode))
			{
				input.value = input.value.slice(0, len);
				input.form[(getIndex(input)+1) % input.form.length].focus();
			}

	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
		if(arr[index] == ele)
		found = true;
		else
		index++;
		return found;
}
function getIndex(input)
	{
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
		return index;
	}
return true;
}