map=new Array();
map[0]=new Image();map[0].src="./img/p/head/iphone1.png";
map[1]=new Image();map[1].src="./img/p/head/books1.png";
map[2]=new Image();map[2].src="./img/p/head/company1.png";

function mouse_down(id,cl){
document.getElementById(id).className=cl;
}

function menu(id){
if(document.getElementById(id).style.display == "block"){
document.getElementById(id).style.display = "none";
}else{
document.getElementById(id).style.display = "block";
}}