﻿		function handleSearchClicked()
		{
			var element=document.getElementById("keywords");
			if(element.value!="")
				document.location='search.aspx?keywords='+URLEncode(element.value);
			return false;
		};


		function URLEncode(url)
		{
			// 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 plaintext = url;
			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;
		};

		function URLDecode(url)
		{
		   // Replace + with ' '
		   // Replace %xx with equivalent character
		   // Put [ERROR] in output if %xx is invalid.
		   var HEXCHARS = "0123456789ABCDEFabcdef"; 
		   var encoded = url
		   var plaintext = "";
		   var i = 0;
		   while (i < encoded.length) {
			   var ch = encoded.charAt(i);
			   if (ch == "+") {
				   plaintext += " ";
				   i++;
			   } else if (ch == "%") {
					if (i < (encoded.length-2) 
							&& HEXCHARS.indexOf(encoded.charAt(i+1)) != -1 
							&& HEXCHARS.indexOf(encoded.charAt(i+2)) != -1 ) {
						plaintext += unescape( encoded.substr(i,3) );
						i += 3;
					} else {
						alert( 'Bad escape combination near ...' + encoded.substr(i) );
						plaintext += "%[ERROR]";
						i++;
					}
				} else {
				   plaintext += ch;
				   i++;
				}
			} // while
		   return plaintext;
		};
    function showImage(intFileID, strLargeImagePredefinedSetting,intLargeImageHeight,intLargeImageWidth )
    {
    window.open('largepic.aspx?FileID='+intFileID+'&ps='+strLargeImagePredefinedSetting,null,'height='+intLargeImageHeight+', width='+intLargeImageWidth+',status= no, resizable= no, scrollbars=no, toolbar=no,location=no,menubar=no ');
    };

    function closePopup()
    {
        window.close ();
    }
