function OpenNewpage(name){
  var sURL = name + ".html?box=" + map.getExtent().toBBOX()
				 
  var str = "resizeable=1,height=750,width= 600";

  if (window.screen) {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;

    var xc = (aw - 500) / 2;
    var yc = 30;
    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc + ",toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1";
  }
   theWindow = window.open(sURL, 'Extract', str);
 }
 function OpenNewpageSmall(name, nameofwin){
  var sURL = name 
				 
  var str = "resizeable=1,height=200,width= 500";

  if (window.screen) {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;

    var xc = (aw - 500) / 2;
    var yc = 30;
    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc + ",toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1";
  }
   theWindow = window.open(sURL, nameofwin, str);
 }
function Right(str, n)
{
      if (n <= 0)
          return "";
      else if (n > String(str).length)
          return str;
      else
   {
          var iLen = String(str).length;
          return String(str).substring(iLen, iLen - n);
      }
}
 function OpenNewWin(thename, windowname){

	var sURL = thename
						 
  var str = "resizeable=1,height=750,width= 600";
 
  if (window.screen) {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;

    var xc = (aw - 500) / 2;
    var yc = 30;

    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc + ",toolbar=1,scrollbars=0,location=1,statusbar=0,menubar=1,resizable=1";
  }
   theWindow = window.open(sURL, windowname, str);
	
}
function getURLVar(urlVarName) {
//divide the URL in half at the '?'
var urlHalves = String(document.location).split('?');
var urlVarValue = '';
if(urlHalves[1]){
//load all the name/value pairs into an array
var urlVars = urlHalves[1].split('&');
//loop over the list, and find the specified url variable
for(i=0; i<=(urlVars.length); i++){
if(urlVars[i]){
//load the name/value pair into an array
var urlVarPair = urlVars[i].split('=');
if (urlVarPair[0] && urlVarPair[0] == urlVarName) {
//I found a variable that matches, load it's value into the return variable
urlVarValue = urlVarPair[1];
}
}
}
}
return urlVarValue;   
}