function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}


function setWindowHeight(){
	var contentHeight = getWindowHeight(); 
	//document.getElementById('mainContent2').style.minHeight = eval(contentHeight-323) + "px";
	
		if (document.getElementById('mainContent2').offsetHeight < eval(contentHeight-323) ){
			document.getElementById('mainContent2').style.height = eval(contentHeight-323) + "px";
			
		}
}