櫻花掉落的語法

woff

1. <SCRIPT Language="javascript">
   
2. //Pre-load your image below!
   
3. grphcs=new Array(6)
   
4. Image0=new Image();
   
5. Image0.src=grphcs[0]="http://dob.tnc.edu.tw/authorHD/1061/d-266.gif"
   
6. Image1=new Image();
   
7. Image1.src=grphcs[1]="http://dob.tnc.edu.tw/authorHD/1061/d-266.gif"
   
8. Image2=new Image();
   
9. Image2.src=grphcs[2]="http://dob.tnc.edu.tw/authorHD/1061/d-266.gif"
   
10. Image3=new Image();
    
11. Image3.src=grphcs[3]="http://dob.tnc.edu.tw/authorHD/1061/d-266.gif"
    
12. Image4=new Image();
    
13. Image4.src=grphcs[4]="http://dob.tnc.edu.tw/authorHD/1061/d-266.gif"
    
14. Image5=new Image();
    
15. Image5.src=grphcs[5]="http://dob.tnc.edu.tw/authorHD/1061/d-266.gif"
    
16. 
    
17. Amount=4; //Smoothness depends on image file size, the smaller the size the more you can use!
    
18. Ypos=new Array();
    
19. Xpos=new Array();
    
20. Speed=new Array();
    
21. Step=new Array();
    
22. Cstep=new Array();
    
23. ns=(document.layers)?1:0;
    
24. ns6=(document.getElementById&&!document.all)?1:0;
    
25. 
    
26. if (ns){
    
27. for (i = 0; i < Amount; i++){
    
28. var P=Math.floor(Math.random()*grphcs.length);
    
29. rndPic=grphcs[P];
    
30. document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0><img src="+rndPic+"></LAYER>");
    
31. }
    
32. }
    
33. else{
    
34. document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
    
35. for (i = 0; i < Amount; i++){
    
36. var P=Math.floor(Math.random()*grphcs.length);
    
37. rndPic=grphcs[P];
    
38. document.write('<img id="si'+i+'" src="'+rndPic+'" style="position:absolute;top:0px;left:0px">');
    
39. }
    
40. document.write('</div></div>');
    
41. }
    
42. WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
    
43. WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
    
44. for (i=0; i < Amount; i++){
    
45. Ypos[i] = Math.round(Math.random()*WinHeight);
    
46. Xpos[i] = Math.round(Math.random()*WinWidth);
    
47. Speed[i]= Math.random()*5+3;
    
48. Cstep[i]=0;
    
49. Step[i]=Math.random()*0.1+0.05;
    
50. }
    
51. function fall(){
    
52. var WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
    
53. var WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
    
54. var hscrll=(ns||ns6)?window.pageYOffset:document.body.scrollTop;
    
55. var wscrll=(ns||ns6)?window.pageXOffset:document.body.scrollLeft;
    
56. for (i=0; i < Amount; i++){
    
57. sy = Speed[i]*Math.sin(90*Math.PI/180);
    
58. sx = Speed[i]*Math.cos(Cstep[i]);
    
59. Ypos[i]+=sy;
    
60. Xpos[i]+=sx;
    
61. if (Ypos[i] > WinHeight){
    
62. Ypos[i]=-60;
    
63. Xpos[i]=Math.round(Math.random()*WinWidth);
    
64. Speed[i]=Math.random()*5+3;
    
65. }
    
66. if (ns){
    
67. document.layers['sn'+i].left=Xpos[i];
    
68. document.layers['sn'+i].top=Ypos[i]+hscrll;
    
69. }
    
70. else if (ns6){
    
71. document.getElementById("si"+i).style.left=Math.min(WinWidth,Xpos[i]);
    
72. document.getElementById("si"+i).style.top=Ypos[i]+hscrll;
    
73. }
    
74. else{
    
75. eval("document.all.si"+i).style.left=Xpos[i];
    
76. eval("document.all.si"+i).style.top=Ypos[i]+hscrll;
    
77. }
    
78. Cstep[i]+=Step[i];
    
79. }
    
80. setTimeout('fall()',35);
    
81. }
    
82. 
    
83. window.onload=fall
    
84. </SCRIPT>

複製代碼

may010203

自己知道了  

lbmxsgw

越多人支持越好~~~~~~~~~`