top.Navwin = self;

function roll(name,over){
	if(top.Navwin.document.images) {
		if (over)
			top.Navwin.document.images[name].src = "imag/" + name + "_on.gif";
		else
			top.Navwin.document.images[name].src = "imag/" + name + ".gif";
	}
}


var myimages=new Array()

function preloadimages(){
	for (i=0;i<preloadimages.arguments.length;i++){
	myimages[i]=new Image()
	myimages[i].src=preloadimages.arguments[i]
	}
}

preloadimages("imag/q_on.gif","imag/p_on.gif", "imag/n_on.gif", "imag/s_on.gif", "imag/c_on.gif",
			  "imag/b_cole_inv_ant_on.gif", "imag/b_cole_ver_ant_on.gif"
			  
			  )


function maximize() {
	window.moveTo(0,0);
	var w = screen.availWidth;
	var h = screen.availHeight;
	window.resizeTo(w, h);
}