//<![CDATA[
var colorful = new ColorfulInput;
colorful.skip = ['submit', 'reset'];
colorful.color['focus'] = '#FFFFD5';

window.onload = function() {
  colorful.set();
}

function ColorfulInput() {
  this.skip  = [];
  this.color = { 'blur': '', 'focus': '#EEEEEE' };
  
  this.set = function() {
    for (var i = 0; i < document.forms.length; i++) {
      for (var f = 0; f < document.forms[i].length; f++) {
        var elm = document.forms[i][f];
        if(!this._checkSkip(elm)) continue;
        this._setColor(elm, 'focus');
        this._setColor(elm, 'blur');
      }
    }
  }

  this._checkSkip = function(elm) {
    for(var i in this.skip) {
      if(elm.type == this.skip[i]) return false;
    }
    return true;
  }

  this._setColor = function(elm, type) { 
    var color = this.color[type];
    var event = function() { elm.style.backgroundColor = color; };

    if(elm.addEventListener) {
      elm.addEventListener(type, event, false);
    } else if(elm.attachEvent) {
      elm.attachEvent('on'+type, event);
    } else {
      elm['on'+type] = event;
    }
  }
}
//]]>