$.fn.getHexBackgroundColor = function() {
 var rgb = $(this).css('background-color');
 rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
 function hex(x) {return ("0" + parseInt(x).toString(16)).slice(-2);}
 return rgb= "#" + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
}

$.fn.getHexBackgroundColor = function() {
 var rgb = $(this).css('background-color');
 if(!$.browser.msie){
  rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
  function hex(x) {return ("0" + parseInt(x).toString(16)).slice(-2);}
  rgb= "#" + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
 }
 return rgb;
}