function download(str) {

        searchWin = window.open(str,'download','scrollbars=no,resizable=yes,width=500,height=460,status=no,location=no,toolbar=no');

}


function errore(str) {

        searchWin = window.open(str,'errore','scrollbars=no,resizable=yes,width=500,height=200,status=no,location=no,toolbar=no');

}

function tutorial(str) {

        searchWin = window.open(str,'tutorial','scrollbars=yes,resizable=yes,width=800,height=600,status=no,location=no,toolbar=no');

}

function view( targetId ){
if (document.getElementById){
target = document.getElementById( targetId );
if (target.style.display == "none"){
target.style.display = "block";
} else {
 target.style.display = "none";
}
}
}