var hexVals = new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
              "A", "B", "C", "D", "E", "F");
var unsafeString = "\"<>%\\^[]`\+\$\,&@";
// deleted these chars from the include list ";", "/", "?", ":","=" and #
// so that we could analyze actual URLs

function isUnsafe(compareChar)
// this function checks to see if a char is URL unsafe.
// Returns bool result. True = unsafe, False = safe
{
if (unsafeString.indexOf(compareChar) == -1 && compareChar.charCodeAt(0) > 32
    && compareChar.charCodeAt(0) < 123)
   { return false; } // found no unsafe chars, return false
else
   { return true; }
}

function decToHex(num, radix)
// part of the hex-ifying functionality
{
var hexString = "";
while (num >= radix)
      {
       temp = num % radix;
       num = Math.floor(num / radix);
       hexString += hexVals[temp];
      }
hexString += hexVals[num];
return reversal(hexString);
}

function reversal(s) // part of the hex-ifying functionality
{
var len = s.length;
var trans = "";
for (i=0; i<len; i++)
    { trans = trans + s.substring(len-i-1, len-i); }
s = trans;
return s;
}

function convert(val) // this converts a given char to url hex form
{ return "%" + decToHex(val.charCodeAt(0), 16); }

function myURLEncode(str){
var len = str.length;
var newStr = "";
var original = str;
for (var i=0;i<len;i++){
if (str.substring(i,i+1).charCodeAt(0) < 255) // hack to eliminate the rest of unicode from this
{
if (isUnsafe(str.substring(i,i+1)) == false){
newStr = newStr + str.substring(i,i+1);
} else {
newStr = newStr + convert(str.substring(i,i+1));
}
} else // woopsie! restore.
{
alert ("Found a non-ISO-8859-1 character at position: " + (i+1) + ",\nPlease eliminate before continuing.");
return original;
}
}
    return newStr;
}
    function doSearch(siteUrl)
	{
		var searchQuery = myURLEncode(document.getElementById("searchQuery").value);

		if ( searchQuery.length < 1 ) {
			return;
		}

		var newLocation = "";
    newLocation=siteUrl+"search_result/index.jsp?search.execute=true&show=simpleSearch&lucyStemmed=2&lucyFromDateOn=false&lucyToDateOn=false&lucySort=1&lucyField=2&lucyOptimized=false&lucyExpr=" + searchQuery;

		location.href = newLocation;
	}