/* DHTML-Bibliothek */

var DHTML = 0, DOM = 0, MS = 0, NS = 0, OP = 0;

function DHTML_init() {

 if (window.opera) {
     OP = 1;
 }
 if(document.getElementById) {
   DHTML = 1;
   DOM = 1;
 }
 if(document.all && !OP) {
   DHTML = 1;
   MS = 1;
 }
if(document.layers && !OP) {
   DHTML = 1;
   NS = 1;
 }
}

function getElem(p1,p2,p3) {
 var Elem;
 if(DOM) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.getElementById(p2) == "object")
     Elem = document.getElementById(p2);
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document.getElementsByName(p2) == "object")
     Elem = document.getElementsByName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.getElementsByTagName(p2) == "object" ||
        (OP && typeof document.getElementsByTagName(p2) == "function"))
     Elem = document.getElementsByTagName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(MS) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.all[p2] == "object")
     Elem = document.all[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.all.tags(p2) == "object")
     Elem = document.all.tags(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(NS) {
   if(p1.toLowerCase()=="id" || p1.toLowerCase()=="name") {
   if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="index") {
    if (typeof document.layers[p2] == "object")
     Elem = document.layers[p2];
    else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
}

function getCont(p1,p2,p3) {
   var Cont;
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
     if(getElem(p1,p2,p3).firstChild.nodeType == 3)
       Cont = getElem(p1,p2,p3).firstChild.nodeValue;
     else
       Cont = "";
     return(Cont);
   }
   else if(MS && getElem(p1,p2,p3)) {
     Cont = getElem(p1,p2,p3).innerText;
     return(Cont);
   }
   else return void(0);
}

function getAttr(p1,p2,p3,p4) {
   var Attr;
   if((DOM || MS) && getElem(p1,p2,p3)) {
     Attr = getElem(p1,p2,p3).getAttribute(p4);
     return(Attr);
   }
   else if (NS && getElem(p1,p2)) {
       if (typeof getElem(p1,p2)[p3] == "object")
        Attr=getElem(p1,p2)[p3][p4]
       else
        Attr=getElem(p1,p2)[p4]
         return Attr;
       }
   else return void(0);
}

function setCont(p1,p2,p3,p4) {
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
     getElem(p1,p2,p3).firstChild.nodeValue = p4;
   else if(MS && getElem(p1,p2,p3))
     getElem(p1,p2,p3).innerText = p4;
   else if(NS && getElem(p1,p2,p3)) {
     getElem(p1,p2,p3).document.open();
     getElem(p1,p2,p3).document.write(p4);
     getElem(p1,p2,p3).document.close();
   }
}

function showNewsBlock ( which )
{
//   alert(which);


//      document.images["img_bach"].src = "img/ico_bach_b.png";
      document.images["img_ci05"].src = "img/ico_ci05_b.png";
      document.images["img_oest"].src = "img/ico_oest_b.png";
      document.images["img_cdstagioni"].src = "img/ico_cdstagioni_b.png";

   if ( DOM || MS )
   {
//      getElem("id","news_bach",null).style.visibility = "hidden";
      getElem("id","news_ci05",null).style.visibility = "hidden";
      getElem("id","news_oest",null).style.visibility = "hidden";
      getElem("id","news_cdstagioni",null).style.visibility = "hidden";

   }

   if ( NS )
   {
//      getElem("id","news_bach",null).visibility = "hide";
      getElem("id","news_ci05",null).visibility = "hide";
      getElem("id","news_oest",null).visibility = "hide";
      getElem("id","news_cdstagioni",null).visibility = "hide";
   }

   document.images["img_"+which].src = "img/ico_" + which + ".png";

   if ( DOM || MS )
      getElem("id", "news_"+which, null).style.visibility="visible";

   if ( NS )
      getElem("id", "news_"+which, null).visibility="show";
}

function preloadNewsImages ()
{
/*
   bach_norm = new Image();
   bach_norm.src = "img/ico_bach.png";
   bach_high = new Image();
   bach_high.src = "img/ico_bach_b.png";
*/
   ci05_norm = new Image();
   ci05_norm.src = "img/ico_ci05.png";
   ci05_high = new Image();
   ci05_high.src = "img/ico_ci05_b.png";

   oest_norm = new Image();
   oest_norm.src = "img/ico_oest.png";
   oest_high = new Image();
   oest_high.src = "img/ico_oest_b.png";

   cdstagioni_norm = new Image();
   cdstagioni_norm.src = "img/ico_cdstagioni.png";
   cdstagioni_high = new Image();
   cdstagioni_high.src = "img/ico_cdstagioni_b.png";

}

DHTML_init();