var FormChanger = {
		FORM_MODES : ['google','yahoo','goo'],
		get_current_mode: function() {
		var len = this.FORM_MODES.length;
		for(i=0;i<len;i++) {
			var div = document.getElementById(this.FORM_MODES[i]);
			if (div) {
			var classname = div.className;
			if (classname == 'current-form') return this.FORM_MODES[i];
			}
		}
	},

	change: function(mode) {
		var newdiv = document.getElementById(mode);
		if (!newdiv) return;
		var cmode  = this.get_current_mode();
		var form   = document.getElementById('word-'+cmode);
		var text   = form.value;
		var len = this.FORM_MODES.length;
		for(i=0;i<len;i++) {
			var lmode = this.FORM_MODES[i];
			var tab = document.getElementById('tab-'+lmode);
			if (lmode == mode) {
			newdiv.className = 'current-form';
			var new_form = document.getElementById('word-'+mode);
			if (new_form) {
				new_form.value = text;
			}
			tab.className = 'tab-select';
			} else {
				var div = document.getElementById(lmode);
				div.className = 'hidden-form';
				tab.className = 'tab-noselect';
			}
		}
	}
}