function getElementsByClassName(className, tag, elm){
	    var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
	    var tag = tag || "*";
	    var elm = elm || document;
	    var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	    var returnElements = [];
	    var current;
	    var length = elements.length;
	    for(var i=0; i<length; i++){
		    current = elements[i];
		    if(testClass.test(current.className)){
			    returnElements.push(current);
		    }
	    }
	    return returnElements;
    }

  function showCountry(id)
  {
	  elements = getElementsByClassName('projectlinks');
    for(i = 0; i < elements.length; i++)
    {
      elements[i].style.display = 'none';
    }
    
    currentCountryLinks = document.getElementById('countrymenu_'+id).getElementsByTagName('ul')[0];
    currentCountryLinks.style.display = 'block';
  }