function G(obj) {
	return (document.getElementById(obj));
}

/**
*	tabChange
*	@description:
*		ÉèÖÃtabÄÚÈÝ
*/
function tabChange(obj) {
	if ( G("tabContent1").style.display == "block" ) {
		G("tab1").className = "tabLink1";
		G("tabContent1").style.display = "";
	}
	else{
		G("tabContent1").style.display = "block";
	}
}