function sideStretch() {
	var elm1 = document.getElementById('main');
	var elm2 = document.getElementById('project');
	var elm3 = document.getElementById('info');
	var x1 = elm1.offsetHeight;
	var x2 = elm2.offsetHeight;
	var x3 = elm3.offsetHeight;
	var x4 = x1 + x2;
	var x5 = x3 - x2;
	if(x3 < x4) {
		elm3.style.height = x4 + "px";
	}
	else {
		elm3.style.height = "auto";
		elm1.style.height = x5 + "px";
		
	}
}