/*
 * jquery.watermark.js
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
(function($) {

  $.extend($,{
    clearwatermarks : function() {
      $("[wmwrap='true']").find("input,textarea").watermark({remove:true});
    },
    addwatermarks : function() {
      $("[watermark]").each(function(num,el) {
        $(el).watermark($(el).attr("watermark"));
      });
    },
    watermark : function(o) {
      o.el = $(o.el);
      if(o.remove) {
        if(o.el.parent().attr("wmwrap") == 'true') {
          o.el.parent().replaceWith(o.el);
        }
      } else {
        if(o.el.parent().attr("wmwrap") != 'true') {
          o.el = o.el.wrap("<span wmwrap='true' style='position:relative;'/>");
          var l = $("<label/>");
          
          if(o.html) { l.html(o.html); }
          if(o.cls) { l.addClass(o.cls); }
          if(o.css) { l.css(o.css); }
          
          l.css({
            position:"absolute",
            left:"3px",
            top : parseInt(o.el.css("paddingTop")),
            display:"inline",
            cursor:"text"
          });
          
          if(o.el.is("TEXTAREA")) {
            if($.browser.msie) {
              l.css("width",o.el.width());
            }
            if($.browser.mozilla || $.browser.safari) {
              l.css("top","");
            }
          }
          
          if(!o.cls && !o.css) {
            l.css("color","#ccc");
          }
          
          var focus = function() {
            l.hide();
          };
          
          var blur = function() {
            if(!o.el.val()) {
              l.show();
            } else {
              l.hide();
            }
          };
          
          var click = function() {
            o.el.focus();
          };
          
          if(o.inherit) {
            if(typeof o.inherit == "string") {
              l.css(o.inherit,o.el.css(o.inherit));
            } else {              
              for(var x=0;x<o.inherit.length;x++) {
                l.css(o.inherit[x],o.el.css(o.inherit[x]));
              }              
            }
          }
          
          o.el.focus(focus).blur(blur);
          l.click(click);
          o.el.before(l);
          if(o.el.val()) { l.hide(); }
        }
      }
      return o.el;
    }
  });
  
  $.fn.watermark = function(o) {
    return this.each(function() {
      if(typeof(o) == "string") {
        try {o = eval("(" + o + ")");} catch(ex) {o = {html:o};}
      }
      o.el = this;
      return $.watermark(o);
    });
  };
})(jQuery);

$().ready(function(){
  $.addwatermarks();
});