function ShowContent(id){
	var menu = Array('risk','collateral','change','collaterallegal','changefund','risk2','change2','collateral2','system')
	
	for(i=0; i < menu.length; i++) {

		var x = document;
		
		if(menu[i]==id){
			
			x.getElementById(menu[i]+"_menu").className = 'menu4bold';
			
			x.getElementById(menu[i]+"_profile").className = "show_content";
			x.getElementById(menu[i]+"_driver").className = "show_content";
			x.getElementById(menu[i]+"_approach").className = "show_content";
			x.getElementById(menu[i]+"_benefits").className = "show_content";
		}
		
		else {

			x.getElementById(menu[i]+"_menu").className = 'menu4';
			
			x.getElementById(menu[i]+"_profile").className = "hide_content";
			x.getElementById(menu[i]+"_driver").className = "hide_content";
			x.getElementById(menu[i]+"_approach").className = "hide_content";
			x.getElementById(menu[i]+"_benefits").className = "hide_content";
		}
	}
}

function ValidateContactUsForm() 
{
	if (document.add.name.value == "")
	{
		alert("Please enter your name.");
		document.add.name.focus();
		return false;
	}
	else if (document.add.email.value == "")
	{
		alert("Please enter your email.");
		document.add.email.focus();
		return false;
	}
	else if (document.add.email.value != "" && !is_email(document.add.email.value))
	{
		alert("Please enter a valid email.");
		document.add.email.focus();
		return false;
	}
	else if (document.add.tel.value == "")
	{
		alert("Please enter your tel.");
		document.add.tel.focus();
		return false;
	}
	else if (document.add.content.value == "")
	{
		alert("Please enter your content.");
		document.add.content.focus();
		return false;
	}
	else {
		document.add.submit.disabled = true;			
		return true;
	}
}

function is_email(email)
{
	var splitted = email.match("^(.+)@(.+)$");
	if(splitted == null) return false;
	if(splitted[1] != null )
	{
	  var regexp_user=/^\"?[\w-_\.]*\"?$/;
	  if(splitted[1].match(regexp_user) == null) return false;
	}
	if(splitted[2] != null)
	{
	  var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
	  if(splitted[2].match(regexp_domain) == null) 
	  {
		var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
		if(splitted[2].match(regexp_ip) == null) return false;
	  }// if
	  return true;
	}
	return false;
}