function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = (query != null) ? query.split("&") : null;
  if(vars != null){
	  for (var i=0;i<vars.length;i++) {
	    var pair = vars[i].split("=");
	    if (pair[0] == variable) {
	      return pair[1];
	    }
	  } 
	}  
  return "";
}

function getQueryVariableValue(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      document.write(pair[1]);
    }
  } 
  document.write("");;
}