// scripts

function checkForm()	{
	var datacheck = true;

	if (datacheck)	{
		if (document.forms['sf_form'].sf_name.value == "")	{
			alert ("Please enter your name.");
			datacheck = false;
		}
	}  
	
	if (datacheck)	{
		if (document.forms['sf_form'].sf_email.value == "")	{
			alert ("Please enter your email address.");
			datacheck = false;
		}
	}    
	
	if (datacheck)	{
		if (document.forms['sf_form'].sf_message.value == "")	{
			alert ("Please enter your message.");
			datacheck = false;
		}
	}

	if (datacheck)	{
		document.forms['sf_form'].submit();
	}

}           

function externalLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
} 
window.onload = externalLinks;