jQuery.fn.getParmByUrl = function(o){
  var url = window.location.toString();
  var tmp;
  if(url && url.indexOf("?")){
    var arr = url.split("?");
    var parms = arr[1];
    if(parms && parms.indexOf("&")){
      var parmList = parms.split("&");
      jQuery.each(parmList,function(key,val){		
        if(val && val.indexOf("=")){			
          var parmarr = val.split("=");	
          if(o){
            if(typeof(o) == "string" && o == parmarr[0]){
              tmp = parmarr[1] == null?'':parmarr[1];	
			  
            }
          }
          else{
            tmp = parms;			
          }
        }
      });
    }
  }
  return tmp;
}