function URLEncode(myValue)
{
	// 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 = myValue;
	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(myValue)
{
   // Replace + with ' '
   // Replace %xx with equivalent character
   // Put [ERROR] in output if %xx is invalid.
   var HEXCHARS = "0123456789ABCDEFabcdef"; 
   var encoded = myValue;
   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;
}

// sli search form mouseover, 22.08.07
  var aryImages = new Array(2);

  aryImages[0] = "/images/go_button-gray.gif";
  aryImages[1] = "/images/go_button-dkblue.gif";

  for (i=0; i < aryImages.length; i++) {
    var preload = new Image();
    preload.src = aryImages[i];
  }

  function swap(imgIndex, button) {
    document.getElementById(button).src = aryImages[imgIndex];
  }	

function openOnlinecatWindow(theURL,domain) { 
	theURL = '/datenbank/onlinecatalog/'+domain+'/'+theURL+'/index.html';
	window.open(theURL, '_blank','width=1024,height=830,menubar=no,status=no,locationbar=yes,scrollbars=no,resizable=yes');
}


function changeView(elementID) {
	if (document.getElementById(elementID).style.display == "block") {
		document.getElementById(elementID).style.display = "none";
	}
	else {
		document.getElementById(elementID).style.display = "block";
	}
}
function changeViewExtended(elementID,displayValue) {
	document.getElementById(elementID).style.display = displayValue;
}