function reajustar(){
				
					if (window.innerHeight){ 
						altura = window.innerHeight;
					} else if (document.documentElement && document.documentElement.clientHeight) {
						altura = document.documentElement.clientHeight;
					} else if (document.body) {
						altura = document.body.clientHeight;
					}
					
					
					if (screen.height == 600 || screen.width == 800) {
						document.getElementById("meio").style.height = (altura-230) + "px";
					} else if (screen.height == 768 || screen.width == 1024) {
						document.getElementById("meio").style.height = (altura-278) + "px";
					} else if (screen.height > 768 || screen.width > 1024) {
						document.getElementById("meio").style.height = (altura-278) + "px";
					} 
				}