function contentsHeight() {
	var cont = document.getElementById("contents");
	if(window.innerHeight){
		var h = window.innerHeight;
	}else if(document.documentElement.clientHeight){
		var h = document.documentElement.clientHeight;
	}else if(document.body.clientHeight) {
		var h = document.body.clientHeight;
	}else {
		var h = 650;
	}
	cont.style.height = (h - 68 - 49 - 10) + "px";
}

if(window.addEventListener) {
	window.addEventListener("load", contentsHeight, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", contentsHeight);
}