function portalSearch(term,appDir,urlEndPart) {
	var theForm = document.forms[0];
	if(term == "") {
		alert("Please enter a Search Term.");
		return false;
	}
	var searchterm = URLEncode(term);
	location = appDir + "/search/term/" + searchterm + urlEndPart ;
}

function searchEnterEvent(term,appDir,urlEndPart,objEvent) { 
    if ((objEvent.which && objEvent.which == 13) || (objEvent.keyCode && objEvent.keyCode == 13)) {
		portalSearch(term,appDir,urlEndPart);
		return false;
    } else return true;
} 

function URLEncode(plaintext )
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
		if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    /*
			    alert( "Unicode Character '" + ch + "' cannot be encoded using standard URL encoding.\n" +
				        "(URL encoding only supports 8-bit characters.)\n" +
						"A space (+) will be substituted." );
				*/
				encoded += "+";
				
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

	return encoded;
};