function setWindowWidth() {
	var w = (window.innerWidth || document.body.clientWidth);
	var hh = (window.innerHeight || document.body.clientHeight || document.documentElement.clientHeight);
	var b = document.getElementById('body_area');
	var h = document.getElementById('header_area');
        var l = "50%";
        var m = "-500px";
	if (w)
	{
	    if (w <=1000) {l = "0"; m = "0px";  document.lastChild.style.overflowX = "auto"}
	    if (w > 1000)  {l = "0"; m = Math.floor((w-1000)/2) + "px"; document.lastChild.style.overflowX = "hidden"}
	    if (b) {b.style.left=l; b.style.marginLeft=m;}
	    if (b) {
		try {
			b.style.minHeight=(hh-75)+"px";
		} catch(err) {
		 	// b.style.minHeight=(hh-95)+"px";
		}
	    }
	    if (h) {h.style.left=l; h.style.marginLeft=m;}
	}
	return w;
   }

   function setScrollPosX() {
	var w = (window.innerWidth || document.body.clientWidth);
	var l = (window.scrollX || (document.documentElement.scrollLeft));
	var h = document.getElementById('header_area');
        var m = "0px";

	if (w) {
	    if (l > 0) {m="-"+l+"px";}
            if (w < 1001) {h.style.marginLeft=m;}
	}
        return m;
   }