function submitInfo() {
  frm = document.forms.info;
  if (frm.Name.value.length == 0)
  {
    alert("Enter your Name!");
	frm.Name.focus();
    return false;
  }
 if (frm.Emailaddress.value.length == 0)
 {
	alert("Enter your Email Address!");
	frm.Emailaddress.focus();
    return false;
 }
 if (echeck(frm.Emailaddress.value)==false){
		frm.Emailaddress.value=""
		frm.Emailaddress.focus()
		return false
	}
	}
	
function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid Email Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid Email Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid Email Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid Email Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid Email Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid Email Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid Email Address")
		    return false
		 }

 		 return true					
	}