function hidepage(){
				hideLayer('page1');	
				hideLayer('page2');
				hideLayer('page3');	
				hideLayer('page4');
				hideLayer('page5');
				hideLayer('page6');
				hideLayer('page7');
				hideLayer('page8');
				hideLayer('page9');
				hideLayer('page10');
				hideLayer('page11');
				hideLayer('page12');
				hideLayer('page13');
				hideLayer('page14');
				hideLayer('page15');
				hideLayer('page16');
				hideLayer('page17');
				hideLayer('page18');
				hideLayer('page19');
				hideLayer('page20');
								}