// JavaScript Document
function getElementsByClass(searchClass,node,tag) {
 var classElements = new Array();
  if (node == null)
    node = document;
 if (tag == null)
   tag = '*';
 var els = node.getElementsByTagName(tag);
 var elsLen = els.length;
 var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
 for (i = 0, j = 0; i < elsLen; i++) {
   if (pattern.test(els[i].className) ) {
     classElements[j] = els[i];
     j++;
   }
 }
 return classElements;
}

function navegacio(){
	var x;
	var nav = new Array;
	nav = getElementsByClass('nav-boto');
	for (x in nav)
	{
		nav[x].onmouseover = function(){ this.className = 'nav-boto-actual' };
		nav[x].onmouseout = function(){ this.className = 'nav-boto' };
	}
}

function feslagran(imagen){
document.getElementById('part-fotogran').innerHTML='<img src='+imagen+'>';
}

window.onload=function()
{
	navegacio();
}