/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
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")
		   return false
		}

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

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

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

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

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

 		 return true					
	}
	
   function validar() {
      var valido = false;
      var emailID=document.niceform.Email
      with(document.niceform) {
             if (Name.value.length == 0){
                  valido = false;
                  Name.focus();
                  alert ('Write your Name please.');
     	}else if((emailID.value==null)||(emailID.value=="")){
		alert("Write your email. ")
		emailID.focus()
		return false
		
	    }else if(echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
		
              }else if(Email.value.length == 0) {
                 valido = false;
                 Email.focus();
                 alert ('Write your Email.');
    
               }else {
                valido = true;
                submit();
             }
        return valido;
       } 
  }