var ImgOn1=new Image(); ImgOn1.src="images/profile_on.jpg";
var ImgOff1=new Image(); ImgOff1.src="images/profile_off.jpg";
var ImgOn2=new Image(); ImgOn2.src="images/research_on.jpg";
var ImgOff2=new Image(); ImgOff2.src="images/research_off.jpg";
var ImgOn3=new Image(); ImgOn3.src="images/publication_on.jpg";
var ImgOff3=new Image(); ImgOff3.src="images/publication_off.jpg";


function img_move_on(imgName)
{
	document.images["menu"+imgName].src=eval("ImgOn"+imgName+".src");
}

function img_move_off(imgName)
{
	document.images["menu"+imgName].src=eval("ImgOff"+imgName+".src");
}