// JavaScript Document

function validateEmail(s_email)
{	
    var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
    if(pattern.test(s_email))
	{  
		return true;
    }
	else{   		
		return false;	
    }
}

function validateForm(theForm)
{
	var valid = true;
	var username= theForm.username.value;
	var email 	= theForm.email.value;
	var phone	= theForm.phonenumber.value;
    var pattern =/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;	
	
	if ((username == "") || (username == null))
	{
		alert("Please enter your \"Name\".");
		theForm.username.focus();
		valid	= false;
	}
	else if (phone == "")
	{
		alert("Please enter your \"Phone Number\".");
		theForm.phonenumber.focus();
		valid = false;
	}
	else if (email == "")
	{
		alert("Please enter your \"Email\" address.");
		theForm.email.focus();
		valid = false;
	}
	else if ((email.indexOf("@") == -1) || (email.indexOf(".") == -1))
    {
		alert("Please enter a valid \"Email\" address.");
		theForm.email.focus();
		valid = false;
    } 

	return valid;
}
	
function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = "" }
}

function replaceText(thefield) {
  if (thefield.value=="") { thefield.value = thefield.defaultValue }
}