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;


/*
Submit Once form validation-
© Dynamic Drive (www.dynamicdrive.com)
For full source code, usage terms, and 100's more DHTML scripts, visit http://dynamicdrive.com
*/

function submitonce(theform){
//if IE 4+ or NS 6+
	if (document.all||document.getElementById){
//screen thru every element in the form, and hunt down "submit" and "reset"

		for (i=0;i<theform.length;i++){
			var tempobj=theform.elements[i]
				if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
				//disable em
				tempobj.disabled=true
		}
	}
	return true
}