if (document.images) 
{
	img_on =new Image();  
 	img_on.src ="http://www.clickmii.com/img/news/click-up-over.gif"; 
 	img_off=new Image();  
	img_off.src="http://www.clickmii.com/img/news/click-up.gif"; 
	
	img_down_on =new Image();  
 	img_down_on.src ="http://www.clickmii.com/img/news/click-down-over.gif"; 
 	img_down_off=new Image();  
	img_down_off.src="http://www.clickmii.com/img/news/click-down.gif"; 
	
}

function mouse_up_over(name)
{
	//document.images["img12345"].src = "on.gif"; 
	//alert('mover'.name);
	document.images[name].src = img_on.src;
} 

function mouse_up_out(name)
{
	//alert('mout'.name);
	document.images[name].src = img_off.src;
}

function mouse_down_over(name)
{
	document.images[name].src = img_down_on.src;
}

function mouse_down_out(name)
{
	document.images[name].src = img_down_off.src;
}