永远居中你的背景图片

2024-04-27 13:58:43

字体：大中小

来源：转载

供稿：网友

<scr<a href="http://ip.vevb.com/">ip</a>t>var xxvar v=1function ml() {clearTimeout(xx)window.moveBy(-v, 0);xx = setTimeout("ml()",140)}function mr() {clearTimeout(xx)window.moveBy(v, 0);xx = setTimeout("mr()",140)}function mu() {clearTimeout(xx)window.moveBy(0, -v);xx = setTimeout("mu()",140)}function md() {clearTimeout(xx)window.moveBy(0, v);xx = setTimeout("md()",140)}function ws(){clearTimeout(xx)}function adj(i){if (i==1){v+=1; if (v>5)v-=1}else {v-=1if (v==0)v=1}}</script><DIV align=center><FORM> <INPUT onclick=mu(v,0); type=button value=向上> <INPUT onclick=ml(v,0); type=button value=向左> <INPUT onclick=mr(0,v); type=button value=向右> <INPUT onclick=md(0,v); type=button value=向下> <INPUT onclick=ws(); type=button value=停止> <BR><BR><BR> <INPUT onclick=adj(1); type=button value=加速> <INPUT onclick=adj(0); type=button value=减速> <BR></FORM></DIV>

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