function changeBGColor(_color) {
	if( _color != "bgBlack" ) {
		document.body.background = ""; 
		document.bgColor = "#" + _color;
	} else {
		document.bgColor = "#000000";
		document.body.background = "image/bg/default.jpg"; 
	}
	setCookie("bgColor", _color);
	
}