/* Swap images */
function swap_image(ref){
var img=ref.src;

if(img.indexOf("_d")==-1){
var part1=ref.src.substring(0,ref.src.lastIndexOf("\."));
var part2=ref.src.substring(ref.src.lastIndexOf("\.")+1);

ref.src=part1+"_d."+part2;
}
else{
ref.src=img.replace("_d","");
}

return true;
};

function go_to(url){
window.document.location.href=url;
return true;
};


window.onload=function(){
var preload_images=new Array("lay/btn_prodotti_d.gif","lay/btn_servizi_d.gif","lay/btn_contatti_d.gif","lay/btn_news_d.gif","lay/btn_promozioni_d.gif","lay/btn_home_d.gif","lay/btn_certificazioni_d.gif");

for(var i=0;i<preload_images.length;i++){
var pre_img=new Image();
pre_img.src=preload_images[i];
}

return true;
};

var certpdf=null;
function open_cert(num){
if(certpdf!=null){
certpdf.close();
}

certpdf=window.open("certificati_pdf.php?cnum="+num,"certificato","height=700,width=700,top=50,left=50,resizable=yes,menubar=no,scrollbars=yes,toolbar=no,status=no");

certpdf.focus();

return true;
};

var cpdf=null;
function corso_pdf(num,type){
if(cpdf!=null){
cpdf.close();
}

cpdf=window.open("corsi_pdf.php?cid="+num+"&t="+type,"pdf_corso","height=700,width=700,top=50,left=50,resizable=yes,menubar=no,scrollbars=yes,toolbar=no,status=no");

cpdf.focus();

return true;
};


var c_info=null;
function request_info(cid){
if(c_info!=null){
c_info.close();
}

c_info=window.open("corso_request_info.php?cid="+cid,"richiesta_informazioni_corso","height=400,width=370,top=50,left=50,resizable=yes,menubar=no,scrollbars=yes,toolbar=no,status=no");

c_info.focus();

return true;
};