function checkValue()
{
	var theForm = document.forms[0];
	//alert("value:"+theForm.user_email.value+":");
	if( theForm.user_email.value=="" || theForm.user_email.value==null )
		alert("We need you to fill in your email address in order to proceed.\nThanks!");			
}
function printArticle() 
{
	var prn = new Image();	
	if (window.print)
	{
		setTimeout('window.print();',200);
	}
	else if (agt.indexOf("mac") != -1) 
	{
		alert("Press 'Cmd+p' on your keyboard to print article.");
	}
	else 
	{
		alert("Press 'Ctrl+p' on your keyboard to print article.")
	}
}
function validateEmail()
{
	var valid = true;
	if( document.forms[0].user_email.value.length == 0 || 
		document.forms[0].user_email.value == null)
	{
		alert("You must emter an email address.");
		valid = false;
	}
	//alert("valid: " + valid);
	if( valid )
	{
		sendForm();
	}	
	return valid;	
}
function sendForm()
{
	document.forms[0].submit();
}