// parses string to return a value for given parameter
//string: searchString=val&x=y&..

function getParamVal(theArgName) { 
    sArgs = location.search.slice(1).split('&');
     
    for (var i = 0; i < sArgs.length; i++) {
        if (sArgs[i].slice(0,sArgs[i].indexOf('=')) == theArgName) {
          return unescape(sArgs[i].slice(sArgs[i].indexOf('=')+1));
        }
    }
 
}


function getFormParams() {    
   return document.getElementsByName("searchString")[0].value;
 }