var today = new Date();
var day = today.getDate();
var month = today.getMonth() + 1;
var year = today.getFullYear();


var line  = "<input type=\"hidden\" name=\"startd\" value=\"" + day + "\" />";   
line += "<input type=\"hidden\" name=\"startm\" value=\"" + month + "\" />"; 
line += "<input type=\"hidden\" name=\"starty\" value=\"" + year + "\" />";  

document.write(line);