网页中改变图片大小
<script language="JavaScript" type="text/JavaScript">//改变图片大小function resizepic()
{
Pic=document.body.getElementsByTagName("img"); for(i=0;i<Pic.length;i++)
{
if(Pic[i].width>500) { Pic[i].height=Pic[i].height*500/Pic[i].width; Pic[i].width=500;
} }
}</script></head><body onload=javascript:resizepic()> 1<script language="JavaScript" type="text/JavaScript">
2//改变图片大小
3function resizepic(thispic)
4{
5if(thispic.width>700){thispic.height=thispic.height*700/thispic.width;thispic.width=700;}
6}
7//无级缩放图片大小
8function bbimg(o)
9{
10 var zoom=parseInt(o.style.zoom, 10)||100;
11 zoom+=event.wheelDelta/12;
12 if (zoom>0) o.style.zoom=zoom+'%';
13 return false;
14}
15//双击鼠标滚动屏幕的代码
16var currentpos,timer;
17function initialize()
18{
19timer=setInterval ("scrollwindow ()",30);
20}
21function sc()
22{
23clearInterval(timer);
24}
25function scrollwindow()
26{
27currentpos=document.body.scrollTop;
28window.scroll(0,++currentpos);
29if (currentpos !=document.body.scrollTop)
30sc();
31}
32document.onmousedown=sc
33document.ondblclick=initialize
34
35//更改字体大小
36var status0='';
37var curfontsize=10;
38var curlineheight=18;
39function fontZoomA(){
40 if(curfontsize>8){
41 document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';
42 document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';
43 }
44}
45function fontZoomB(){
46 if(curfontsize<64){
47 document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';
48 document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';
49 }
50}
51</script>
<script language="JavaScript" type="text/JavaScript">2
//改变图片大小3
function resizepic(thispic)4
{5
if(thispic.width>700){thispic.height=thispic.height*700/thispic.width;thispic.width=700;} 6
}7
//无级缩放图片大小8
function bbimg(o)9
{10
var zoom=parseInt(o.style.zoom, 10)||100;11
zoom+=event.wheelDelta/12;12
if (zoom>0) o.style.zoom=zoom+'%';13
return false;14
}15
//双击鼠标滚动屏幕的代码16
var currentpos,timer;17
function initialize()18
{19
timer=setInterval ("scrollwindow ()",30);20
}21
function sc()22
{23
clearInterval(timer);24
}25
function scrollwindow()26
{27
currentpos=document.body.scrollTop;28
window.scroll(0,++currentpos);29
if (currentpos !=document.body.scrollTop)30
sc();31
}32
document.onmousedown=sc33
document.ondblclick=initialize34
35
//更改字体大小36
var status0='';37
var curfontsize=10;38
var curlineheight=18;39
function fontZoomA(){40
if(curfontsize>8){41
document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';42
document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';43
}44
}45
function fontZoomB(){46
if(curfontsize<64){47
document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';48
document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';49
}50
}51
</script>
