// JavaScript Document


function hover_effect(classname,parenttype,childtype)
{
	var allneededelements=document.getElementsByTagName(parenttype);

	if(allneededelements)
	{
		for(i=0; i<allneededelements.length; i++)
		{
			if(allneededelements[i].className == classname)
			{
				var subelement = allneededelements[i].getElementsByTagName(childtype);
				
				for(j=0; j<subelement.length; j++)
				{
					subelement[j].onmouseover = function()
					{
							this.className = 'link_active';
					}
					subelement[j].onmouseout = function()
					{
							this.className = 'link_inactive';
					}
				}
			}
		}
	}
}

window.onload = function()
{
	hover_effect('left_menu','ul','li');
}

function active_content(parentid,childtype,activeid)
{
	var parentobj = document.getElementById(parentid);

	if(parentobj)
	{
		var subelement = parentobj.getElementsByTagName(childtype);

		for(j=0; j<subelement.length; j++)
		{
			subelement[j].className = 'hide';			
		}
		document.getElementById(activeid).className = 'shownormal border_left';
	}
}

function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (
aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return unescape(strReturn);
}

function setNews()
{

	newsid = "nid";
	ret_newsid = "";
	ret_newsid = getURLParam(newsid);
	if(ret_newsid == "")
		ret_newsid = "cd0";
	
	active_content('contentdiv','div',ret_newsid);
	
}

function setDocumenti()
{

	newsid = "id";
	ret_newsid = "";
	ret_newsid = getURLParam(newsid);
	if(ret_newsid == "")
		ret_newsid = "cd1";
	
	active_content('contentdiv','div',ret_newsid);
	
}


function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}