Event.observe(window, 'load', 
	runAutoFunctions
);

function runAutoFunctions()
{
	//common functions
	autoBlur();
	autoOver();
}

function autoBlur()
{
	$$('a', 'input[type=checkbox]', 'input[type=submit]', 'input[type=image]', 'input[type=button]').each
	(
		function(element) 
		{
			element.observe('focus', blur);
		}
	);
}

function blur(event)
{
	Event.element(event).blur();
}


function autoOver()
{
	$$('.autoOver').each
	(
		function(element) 
  	    {
		  	 element.onmouseover = mouseOver;
		 	 element.onmouseout  = mouseOut;
		 	 element.onmousedown = mouseDown;
		 	 element.onmouseup   = mouseUp;
   	    }
   	);
}

function mouseOver(obj)
{
	var element = obj;
	if((element == null || element.type == "mouseover") && this)
	{
		element = this;
	}
	
	if(element.tagName == "INPUT" || element.tagName == 'IMG')
	{
  		var image_src       = element.src;
  		var extension_index = image_src.lastIndexOf('.');
  		element.src         = image_src.substring(0,extension_index) + '-over' + image_src.substring(extension_index);
	}
	else
	{
		if(!$(element).hasClassName('hover'))
		{
			$(element).addClassName('hover');
		}
	}
}

function mouseOut(obj)
{
	var element = obj;
	if((element == null || element.type == "mouseout") && this)
	{
		element = this;
	}
	
	if(element.tagName == "INPUT" || element.tagName == "IMG") 
	{
		var image_src = element.src;
		if(image_src.indexOf('-over') > 0)
		{
  			element.src = image_src.replace('-over\.','\.');
		}
		if(image_src.indexOf('-click') > 0)
		{
  			element.src = image_src.replace('-click\.','\.');
		}
	}
	else
	{
		if(element.hasClassName('hover'))
		{
			element.removeClassName('hover');
		}
	}
}

function mouseDown(obj)
{
	var element = obj;
	if((element == null || element.type == "mousedown") && this)
	{
		element = this;
	}
	
	if(element.tagName == "INPUT" || element.tagName == "IMG") 
	{
		var image_src = element.src;
  		element.src   = image_src.replace('-over\.','-click\.');
	}
	else
	{
		if(!element.hasClassName('clicked'))
		{
			element.addClassName('clicked');
		}
	}
}

function mouseUp(obj)
{
	var element = obj;
	if((element == null || element.type == "mouseup") && this)
	{
		element = this;
	}
	
	if(element.tagName == "INPUT" || element.tagName == "IMG") 
	{
		var image_src = element.src;
		if(image_src.indexOf('-click') > 0)
		{
  			element.src = image_src.replace('-click\.','\.');
		}
	}
	else
	{
		if(element.hasClassName('clicked'))
		{
			element.removeClassName('clicked');
		}
	}
}