function fradato(){
var time=new Date(); 
var lmonth=time.getMonth() + 1;  
var date=time.getDate() +1; 
if (lmonth < 10){
var lmonth= "0" + lmonth;
}
var year=time.getFullYear(); 
if(document.getElementById("bookfradato")){
document.getElementById("bookfradato").value=date + "-" + lmonth + "-" + year;
}
}

Tangora.Events.AddHandler(window, "onload", fradato);