function lib_bwcheck(){
	this.ver=navigator.appVersion;
	this.agent=navigator.userAgent;
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 &&document.getElementById)?1:0;
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=(this.ie4 || this.ie5 || this.ie6);
	this.mac=this.agent.indexOf("Mac")>-1;
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=( this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5 );
	return this;
}
var bw=new lib_bwcheck()




function ValidateInput() {
    document.forms[0].submit()
}

function Goto(num) {
	if(num==1)cat =  document.myform.cat1.value;
	else cat =  document.myform.cat2.value;
	if(cat!='')document.location ='cat_applicazioni.asp?id='+cat;
}

function PopUp(sUrl) {
    PopUpWindow=window.open(sUrl,"displayWindow","status=no,width=400,height=346,top=100,left=200,screenX=100,screenY=100,menu=0,toolbars=0");
}
function PopUp2(sUrl) {
    PopUpWindow=window.open(sUrl,"displayWindow","status=no,width=760,height=380,top=100,left=200,screenX=100,screenY=100,menu=0,toolbars=0");
}

function PopUpCopertina(sUrl) {
    PopUpCopWindow=window.open(sUrl,"displayWindow","status=no,width=400,height=346,top=100,left=200,screenX=100,screenY=100,menu=0,toolbars=1");
}

//rollovers
if (bw){
var imgDir = "img/";

n1on = new Image();
n1on.src = imgDir + "HnavPrimoPianoOn.gif";
n1off = new Image();
n1off.src = imgDir + "HnavPrimoPiano.gif"; 
		
}

function turnOn(img) {
   if (bw){
  	eval("document."+img).src = eval(img+"on").src;
	}
}

function turnOff(img) {
   if (bw){
   	eval("document."+img).src = eval(img+"off").src;
	}
}
//end rollovers