var flag_b=false;
var mImage = new Array();
mImage[0] = new Image(359, 203);
mImage[0].src="/mod/site/images/book_c_main.jpg";
mImage[1] = new Image(359, 203);
mImage[1].src="/mod/site/images/book_c_consul.jpg";
mImage[2] = new Image(359, 203);
mImage[2].src="/mod/site/images/book_c_classic.jpg";
mImage[3] = new Image(359, 203);
mImage[3].src="/mod/site/images/book_c_coton.jpg";

function book(nname)	{
	document.getElementById("book_content").src=mImage[nname].src;
	flag_b=(nname!=0)?true:false;
}
var j=0;
var flag_a=false;
function	changeImage()	{
	if	(flag_b) return false;
    switch (j)
    {
	case 0:
		nname="main";
		j++;
        break;
    case 1:
		nname="consul";
		j++;
        break;
    case 2:
		nname="classic";
		j++;
        break;
    case 3:
		nname="coton";
		j=0;
        break;
	}
/*	document.getElementById("book_content").src=mImage[j].src;*/
}