function menushowhide() {
var l_menushowhide = document.getElementById("menushowhide");
var l_title = document.getElementById("sdi");
if(l_menushowhide.style.display == "block") {l_menushowhide.style.display = "none";}
else {l_menushowhide.style.display = "block";}
}

function contactform() {
var l_contactform = document.getElementById("contactform");
var l_title = document.getElementById("contactus");
if(l_contactform.style.display == "block") {l_contactform.style.display = "none";}
else {l_contactform.style.display = "block";}
}