mtop1 = new Image;
mtop1.src = "buttons/1_off.jpg";
mtop1o = new Image;
mtop1o.src = "buttons/1_on.jpg";
mtop2 = new Image;
mtop2.src = "buttons/2_off.jpg";
mtop2o = new Image;
mtop2o.src = "buttons/2_on.jpg";
mtop3 = new Image;
mtop3.src = "buttons/3_off.jpg";
mtop3o = new Image;
mtop3o.src = "buttons/3_on.jpg";
mtop4 = new Image;
mtop4.src = "buttons/4_off.jpg";
mtop4o = new Image;
mtop4o.src = "buttons/4_on.jpg";
mtop5 = new Image;
mtop5.src = "buttons/5_off.jpg";
mtop5o = new Image;
mtop5o.src = "buttons/5_on.jpg";

ltop1 = new Image;
ltop1.src = "buttons/1_line_off.jpg";
ltop1o = new Image;
ltop1o.src = "buttons/1_line_on.jpg";
ltop2 = new Image;
ltop2.src = "buttons/2_line_off.jpg";
ltop2o = new Image;
ltop2o.src = "buttons/2_line_on.jpg";
ltop3 = new Image;
ltop3.src = "buttons/3_line_off.jpg";
ltop3o = new Image;
ltop3o.src = "buttons/3_line_on.jpg";
ltop4 = new Image;
ltop4.src = "buttons/4_line_off.jpg";
ltop4o = new Image;
ltop4o.src = "buttons/4_line_on.jpg";

b1 = new Image;
b1.src = "buttons/odeslat_off.gif";
b1o = new Image;
b1o.src = "buttons/odeslat_on.gif";

function navMouseOver(imgid,imgnew) {
    document.images[imgid].src=eval(imgnew + ".src");    
}

function resizeDiv(div) {
    var myWidth = 0, myHeight = 0;
	var posun = 0;
    var obj = document.getElementById(div);
    
    if( typeof( window.innerWidth ) == 'number' ) {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
    }

    posun = (myHeight / 2) + 25;
    posun = posun + "px";
	
    obj.style.height = posun;
}