$(window).load(function(){
    var objBg = $("div.bg");
    var objHtml = $("html");
    var objBody = $("body");
    var objImgs = $("div.bg img");  
    var blockRight = $("#blockRight");
    var wrapper = $("#wrapper4");
   
    function res() {
        var height = objImgs.height();
        wrapper.height(height);
        if (blockRight) blockRight.height(height);
    }    
    res();
});



/*
$(window).load(function(){
    
    var objBg = $("div.bg");
    var objHtml = $("html");
    var objBody = $("body");
    var objImgs = $("div.bg img");  
    var blockRight = $("#blockRight");
    var x = 1100;
    var y =  800;
    koef = x/y;
    
    function res() {
        
        var HtmlHeight = objHtml.height();
        var BodyHeight = objBody.height();
        var WinHeight = $(window).height();
        //if (jQuery.browser.msie) WinHeight = WinHeight - 5;
        var XXXHeight = 0;
        if (HtmlHeight>XXXHeight) XXXHeight=HtmlHeight;
        if (BodyHeight>XXXHeight) XXXHeight=BodyHeight;
        if (WinHeight>XXXHeight) XXXHeight=WinHeight;
XXXHeight = XXXHeight - 2;
        objHtml.height(XXXHeight);
        objBody.height(XXXHeight);
        var WinWidth = objBody.width();
        var WinHeight = XXXHeight;
        var ImgWidth = objImgs.width();
        var ImgHeight = objImgs.height();
        var NewWidth = 0;
                
        objBg.width(WinWidth);
        objBg.height(WinHeight);
     
        NewWidth = WinWidth;
        NewHeight = Math.round(NewWidth/koef);
       
        if (WinHeight>=NewHeight) {
            objImgs.height(WinHeight);
            objImgs.width(Math.round(WinHeight*koef));
        } else {
            objImgs.width(WinWidth);
            objImgs.height(Math.round(WinWidth/koef));
        }
        
        if (blockRight) blockRight.height(XXXHeight);
        
    }    
    res();
    $(window).resize(res);
});
*/