function getWindowWidth() {
	if (window.self && self.innerWidth) {
		return self.innerWidth;//FF AJUS
	}
	if (document.documentElement && document.documentElement.clientWidth) {
		return document.documentElement.clientWidth;
	}
}


function resize(){

var leftpx=150;
var rightpx=150;
var mainpx=730;

//var w_w = getWindowWidth();
var w_w =getWindowWidth();
var mini_w=leftpx+rightpx+mainpx;
var c_px = mini_w+"px";
var m_px = mainpx+"px";

if(w_w > mini_w){
	c_px = w_w+"px";
	tmp = w_w-leftpx-rightpx;
	m_px = tmp+"px";
}

	document.getElementById("header").style.width = c_px;
	document.getElementById("container").style.width = c_px;
	document.getElementById("main").style.width = m_px;
}