function hideDiv(divId){
				document.getElementById(divId).style.display = 'none';
			}

			function showDiv(divId){
				document.getElementById(divId).style.display = 'block';
			}


			function show(page){
				if(page==1){
					showDiv('menu-1-w');
					hideDiv('menu-1-y');
					hideDiv('menu-2-w');
					showDiv('menu-2-y');
					hideDiv('menu-3-w');
					showDiv('menu-3-y');

					showDiv('upper-content-1');
					hideDiv('upper-content-2');

					showDiv('lower-content-1');
					hideDiv('lower-content-2');
					hideDiv('lower-content-3');

				}
				if(page==2){
					hideDiv('menu-1-w');
					showDiv('menu-1-y');
					showDiv('menu-2-w');
					hideDiv('menu-2-y');
					hideDiv('menu-3-w');
					showDiv('menu-3-y');

					hideDiv('upper-content-1');
					showDiv('upper-content-2');

					showDiv('upper-col1-2');
					hideDiv('upper-col1-3');

					hideDiv('lower-content-1');
					showDiv('lower-content-2');
					hideDiv('lower-content-3');
				}
				if(page==3){
					hideDiv('menu-1-w');
					showDiv('menu-1-y');
					hideDiv('menu-2-w');
					showDiv('menu-2-y');
					showDiv('menu-3-w');
					hideDiv('menu-3-y');

					hideDiv('upper-content-1');
					showDiv('upper-content-2');

					hideDiv('upper-col1-2');
					showDiv('upper-col1-3');

					hideDiv('lower-content-1');
					hideDiv('lower-content-2');
					showDiv('lower-content-3');
				}
			}