var minW = 1000, minH = 650;

var W, H;

function Fix() {
	if(document.all) {
		W = document.body.clientWidth;
		H = document.body.clientHeight;
	} else {
		W = window.innerWidth;
		H = window.innerHeight;
	}
	document.getElementById("content").style.width  = (W <= minW) ? minW + "px" : "100%";
	document.getElementById("content").style.height = (H <= minH) ? minH + "px" : "100%";
}

window.onload = window.onresize = Fix;