/**
 * SetaRadioGroup
 * -------------------------
 * Copyright 2006 - Setasign - Jan Slabon
 * http://www.setasign.de
 */
function SetaRadioGroup(e) {
	this.e = e;
	this.e.SetaRadioGroup = this;
	
	this._switch = function(display) {
		var t = document.getElementById(this.e.id+'_content');
		t.style.display = display ? '' : 'none';
	}
	
	if (typeof this.e.onclick == 'function')
		this.e._onclick = this.e.onclick;
		
	this.e.onclick = function() {
		var rb = document.getElementsByName(this.name);
		var l = rb.length;
		
		for (var i = 0; i < l; i++) {
			rb[i].SetaRadioGroup._switch(rb[i].checked);
		}
		if (typeof this._onclick == 'function')
			this._onclick();
	}
	
	this._switch(this.e.checked);
}