function formRequired_OnFocus(field)
{
	if (field.value == '*')
		field.value = '';
}

function formRequired_OnBlur(field)
{
	if (field.value == '')
	{
		var color = arguments[1] ? arguments[1] : '#f00';

		field.style.color = color;
		field.value = '*';
	}
	else
		field.style.color = '';
}

function formRequired_Check(formobj)
{
	if (formobj != null)
	{
		for(i=0;i<formobj.elements.length;i++)
		{
			_elm = formobj.elements[i];
			switch(_elm.type)
			{
				case 'checkbox' :
				case 'radio'	:
				case 'submit'	: break;
				default :
				{
					var _req = _elm.getAttribute('required');
					if (_req != null && _req == 'true')
					{
						if (_elm.value == '' || _elm.value == '*')
							return false;
					}
					break;
				}
			}
		}
	}
	return true;
}


function stripeTable(id)
{
	try
	{
		var even = false;
		var evenColor = arguments[1] ? arguments[1] : '#383838';
		var oddColor = arguments[2] ? arguments[2] : '#000';
		var table = document.getElementById(id);
		if (! table) { return; }

		var tbodies = table.getElementsByTagName('tbody');

		for (var h = 0; h < tbodies.length; h++)
		{
			var trs = tbodies[h].getElementsByTagName('tr');
			for (var i = 0; i < trs.length; i++)
			{
				if (! findClass(trs[i]) && ! trs[i].style.backgroundColor)
				{
					var tds = trs[i].getElementsByTagName('td');
					for (var j=0; j<tds.length; j++)
					{
						var mytd = tds[j];
						if (! findClass(mytd) && ! mytd.style.backgroundColor)
						{
							mytd.style.backgroundColor = even ? evenColor : oddColor;
						}
					}
				}
				even =  ! even;
			}
		}
	}
	catch(e) {}
}

function findClass(obj)
{
	if (obj.getAttributeNode('class') != null)
		return obj.getAttributeNode('class').value;
	else
		return false;
}

////////////////////////////////////////
/// Start: Popup

function openPopup(src, width, height)
{
	src.blur();
	var sHref	= src.getAttribute('href');
	loadPopup(sHref, width, height);
	window.event.returnValue = false;
	return false;
}

function openPopupById(id, width, height)
{
	try {
		var obj = findObject(id);
		if (obj != null)
			openPopup(obj, width, height);	}
	catch(e) {}
}

function loadPopup(sHref, sWidth, sHeight)
{
	var LeftPosition=(screen.width)?(screen.width-sWidth)/2:100;
	var TopPosition=(screen.height)?(screen.height-sHeight)/2:100;
	var settings='width='+sWidth+',height='+sHeight+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	var theWindow = window.open(sHref, '_blank', settings);
	if (theWindow != null)
		theWindow.focus();
	return theWindow;
}

/// End: Popup
////////////////////////////////////////

function findObject(objectId)
{
	if(window.document.getElementById && window.document.getElementById(objectId))
		return window.document.getElementById(objectId);
	else if (window.document.all && window.document.all(objectId))
		return window.document.all(objectId);
	else if (window.document.layers && window.document.layers[objectId]) 
		return window.document.layers[objectId];
	else
		return null;
}


function changeCategory(obj)
{
	var _option = obj.options[obj.selectedIndex].value;
	if (_option != null && _option != '')
		window.document.location.href = _option;
}


function largeImage(img,type)
{
	img.blur();
	var _src = img.getAttribute('src');
	var _width  = (type=='1') ? "500" : "450";
	var _height = (type=='1') ? "525" : "475";
	loadPopup('./popup.aspx?type='+type+'&image='+_src, _width, _height);
	return false;
}

function doEnterSearch()
{
	if (window.event.keyCode == 13)
	{
		doSearch();
		return false;
	}
	else
	{
		return true;
	}
}

function doSearch()
{
	var _formElement = findObject('query');
	
	if ((_formElement) && (_formElement.value != ''))
	{
		document.location.href = 'Search.aspx?query=' + _formElement.value;
	}
}

function init()
{
	initLightbox();
	
	if (typeof(pngFix) == 'function')
		pngFix();
}