function slide1() {
	menu1.style.background ='url(../../../270cn-htres/images/aa/myd2.jpg)';
	menu2.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu3.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu4.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';


	TabMenuA1.style.display = 'block';
	TabMenuA2.style.display = 'none';
	TabMenuA3.style.display = 'none';
	TabMenuA4.style.display = 'none';



}
function slide2() {
	menu1.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu2.style.background ='url(../../../270cn-htres/images/aa/myd2.jpg)';
	menu3.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu4.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';


	TabMenuA1.style.display = 'none';
	TabMenuA2.style.display = 'block';
	TabMenuA3.style.display = 'none';
	TabMenuA4.style.display = 'none';



}
function slide3() {
	menu1.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu2.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu3.style.background ='url(../../../270cn-htres/images/aa/myd2.jpg)';
	menu4.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';

	

	TabMenuA1.style.display = 'none';
	TabMenuA2.style.display = 'none';
	TabMenuA3.style.display = 'block';
	TabMenuA4.style.display = 'none';


}

function slide4() {
	menu1.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu2.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu3.style.background ='url(../../../270cn-htres/images/aa/myd1.jpg)';
	menu4.style.background ='url(../../../270cn-htres/images/aa/myd2.jpg)';

	
	TabMenuA1.style.display = 'none';
	TabMenuA2.style.display = 'none';
	TabMenuA3.style.display = 'none';
	TabMenuA4.style.display = 'block';

}