请问如何修改网页首页的图片为全屏,并能进行图片转换
<script type=text/javascript>
var t = n = 0, count = $(".content a").size();
$(function(){
var play = ".play";
var playText = ".play .text";
var playNum = ".play .num a";
var playConcent = ".play .content a";
$(playConcent + ":not(:first)").hide();
$(playText).html($(playConcent + ":first").find("img").attr("alt"));
$(playNum + ":first").addClass("on");
$(playText).click(function(){window.open($(playConcent + ":first").attr('href'), "_blank")});
$(playNum).click(function() {
var i = $(this).text() - 1;
n = i;
if (i >= count) return;
$(playText).html($(playConcent).eq(i).find("img").attr('alt'));
$(playText).unbind().click(function(){window.open($(playConcent).eq(i).attr('href'), "_blank")})
$(playConcent).filter(":visible").hide().parent().children().eq(i).fadeIn(1200);
$(this).removeClass("on").siblings().removeClass("on");
$(this).removeClass("on2").siblings().removeClass("on2");
$(this).addClass("on").siblings().addClass("on2");
});
t = setInterval("showAuto()", 5000);
$(play).hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 5000);});
})
function showAuto(){
n = n >= (count - 1) ? 0 : ++n;
$(".num a").eq(n).trigger('click');
}
</script>
<script type=text/javascript>
var t = n = 0, count = $(".content a").size();
$(function(){
var play = ".play";
var playText = ".play .text";
var playNum = ".play .num a";
var playConcent = ".play .content a";
$(playConcent + ":not(:first)").hide();
$(playText).html($(playConcent + ":first").find("img").attr("alt"));
$(playNum + ":first").addClass("on");
$(playText).click(function(){window.open($(playConcent + ":first").attr('href'), "_blank")});
$(playNum).click(function() {
var i = $(this).text() - 1;
n = i;
if (i >= count) return;
$(playText).html($(playConcent).eq(i).find("img").attr('alt'));
$(playText).unbind().click(function(){window.open($(playConcent).eq(i).attr('href'), "_blank")})
$(playConcent).filter(":visible").hide().parent().children().eq(i).fadeIn(1200);
$(this).removeClass("on").siblings().removeClass("on");
$(this).removeClass("on2").siblings().removeClass("on2");
$(this).addClass("on").siblings().addClass("on2");
});
t = setInterval("showAuto()", 5000);
$(play).hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 5000);});
})
function showAuto(){
n = n >= (count - 1) ? 0 : ++n;
$(".num a").eq(n).trigger('click');
}
</script>