function valt(mit) {

var latestnews = document.getElementById("latestnews");
var allnews = document.getElementById("allnews");

var latestnewsImage = document.getElementById("latestnewsImage");
var allnewsImage = document.getElementById("allnewsImage");

if(mit=='latestnews') {  

latestnews.style.display="block";
latestnewsImage.src="images/latestnews_h.png";

allnews.style.display="none";   
allnewsImage.src="images/allnews.png";


}
if(mit=='allnews') {  

latestnews.style.display="none";
latestnewsImage.src="images/latestnews.png";

allnews.style.display="block";   
allnewsImage.src="images/allnews_h.png";


}

return false;

}