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;

/*
var oElement = document.getElementById("trigger1");

var toggleDisplay = function(e){
 YAHOO.util.Event.preventDefault(e); 
 alert("Hello World!"); 

}

YAHOO.util.Event.addListener("oElement", "click", toggleDisplay);

*/


function checkCheckBoxes(theForm) {
	if (
	theForm.paper_req.checked == false &&
	theForm.electronic_req.checked == false &&
	theForm.mail_list.checked== false) 
	{
		alert ('You didn\'t choose any of the checkboxes. Please try again...');
		return false;
	}else{
		return true;
	}
}








function toggle(obj, input) {
	 var e1;
	 el = document.getElementById(obj);
	 var input_el;
	 input_el = document.getElementById(input);
	

	if(input_el.checked==false){
		el.style.display = 'none';
	}
	else{
		el.style.display = 'block';
	}

}

function showForm(obj){
		 el = document.getElementById(obj);
		 el.style.display="block";

}

function hideForm(obj){
		 el = document.getElementById(obj);
		 el.style.display="none";

}