var width				= new Array();
var margin				= new Array();

window.onresize = function() {
	resize();
}

function resize() {

	margin["contents"]	= 30;
	margin["primary"]		= 250 + 20 + 10;

	if(document.all) {
		width["contents"] 	= document.body.clientWidth - margin["contents"];
	} else {
		width["contents"] 	= window.innerWidth - margin["contents"] - 17;
	}

	width["primary"] 		= width["contents"] - margin["primary"];

	document.getElementById("primary").style.width			= width["primary"] + "px";
	
}