function tocItem (imgName) {
    this.name = imgName
    this.off		= new Image();
    this.off.src	= "/images/" + imgName + "_off.gif";
    this.sel		= new Image();
    this.sel.src	= "/images/" + imgName + "_sel.gif";
}

function createTocItem (imgName) {
    tocItem [imgName] = new tocItem (imgName)
}

function tocMouseOver(imgName) {
    document [imgName].src =  tocItem[imgName].sel.src
}

function tocMouseOut(imgName) {
	document [imgName].src = tocItem[imgName].off.src
}

//createTocItem("login");
createTocItem("iscriviti");
createTocItem("cosa");
createTocItem("testi");
createTocItem("esperti");
createTocItem("diconodinoi");
createTocItem("avvertitemi");
createTocItem("scrivi");
//createTocItem("webmaster");