function mclck() { 
	if((event.button == 2 || event.button == 3 || event.shiftKey) ){ 
		alert("Wirtualna Internetowa Akademia Biznesu");
		return false;
	}
	return true; 
} 

function kdwn() { 
		if(((event.keyCode==45) && (event.ctrlKey)) || ((event.keyCode>64) && (event.ctrlKey) && (!(event.altKey))) || event.keyCode==93) {
			if(event.keyCode==79){
			    document.location=document.location;
			}
			alert("Wirtualna Internetowa Akademia Biznesu"); 
			return false;
		}
		return true; 
}

function zmien(ob,source){
    if(source!=""){
	ob.src=source;
    }
    return true; 
}
 
document.onmousedown=mclck; 
window.onmousedown=mclck;
document.onkeydown=kdwn; 
window.onkeydown=kdwn;