function init(){
		$(window).resize(function() {
			adjustHeaderTop();
		});	
		disableSelection();
		adjustHeaderTop();
}





/* disable the selection */
function disableSelection(){
   if (typeof document.onselectstart!="undefined") {
    document.onselectstart=new Function ("return false");
    } else {
        document.onmousedown=new Function ("return false");
        document.onmouseup=new Function ("return true");
    }
}



function adjustHeaderTop(){
	$("#header").css( "top", function(){
		var offset = $("#headerbin").height() - $("#header").height();
		return offset;
	});
}