function Seven(){
var d=document.getElementById('img_05.gif');
if (d){ d.onmouseover = function() {
		if(document.images) this.src='obrazki/img_up_05.gif'; 
		return false;
	};
d.onmouseout = function() {
        if(document.images) this.src='obrazki/img_05.gif';
    return false;
    };}
d=document.getElementById('img_06.gif');
if (d) {d.onmouseover = function() {
		if(document.images) this.src='obrazki/img_up_06.gif'; 
		return false;
	};
d.onmouseout = function() {
        if(document.images) this.src='obrazki/img_06.gif';
    return false;
};
}
d = document.getElementById('img_08.gif');
if (d) {
    d.onmouseover = function() {
        if (document.images) this.src = 'obrazki/img_up_08.gif';
        return false;
    };
    d.onmouseout = function() {
        if (document.images) this.src = 'obrazki/img_08.gif';
        return false;
    };
}
d=document.getElementById('img_07.gif');
if (d) {d.onmouseover = function() {
		if(document.images) this.src='obrazki/img_up_07.gif'; 
		return false;
	};
d.onmouseout = function() {
        if(document.images) this.src='obrazki/img_07.gif';
    return false;
    };}
d=document.getElementById('k1');
if (d){ d.onclick= function() {displayWindow('obrazki/koljedbig.jpg',720,540);};}
d=document.getElementById('k2');
if (d){ d.onclick= function() {displayWindow('obrazki/kolbawbig.jpg',720,540);};}
}
function displayWindow(url, width, height) {
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=off,menubar=no' );
}