/*按比例生成缩略图*/
function DrawImage(ImgD,W,H){ 
  var flag=false; 
  var image=new Image(); 
  image.src=ImgD.src; 
  if(image.width>0 && image.height>0){ 
    flag=true; 
    if(image.width/image.height>= W/H){ 
      if(image.width>W){
        ImgD.width=W; 
        ImgD.height=(image.height*H)/image.width; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt= ""; 
    } 
    else{ 
      if(image.height>H){
        ImgD.height=H; 
        ImgD.width=(image.width*W)/image.height; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt=""; 
    } 
  }
}

function statusMessageObject(p,d) { 
this.msg = MESSAGE 
this.out = " " 
this.pos = POSITION 
this.delay = DELAY 
this.i = 0 
this.reset = clearMessage 
} 
function clearMessage() { 
this.pos = POSITION 
} 
var POSITION = 100 
var DELAY = 10 
var MESSAGE = "欢迎光临常州无极管理咨询                  ..."                        ..." 
var scroll = new statusMessageObject() 
function scroller() { 
for (scroll.i = 0; scroll.i < scroll.pos; scroll.i++) { 
scroll.out += " " 
} 
if (scroll.pos >= 0) 
scroll.out += scroll.msg 
else scroll.out = scroll.msg.substring(-scroll.pos,scroll.msg.length) 
window.status = scroll.out 
scroll.out = " " 
scroll.pos-- 
if (scroll.pos < -(scroll.msg.length)) { 
scroll.reset() 
} 
setTimeout ('scroller()',scroll.delay) 
} 
function snapIn(jumpSpaces,position) { 
var msg = scroll.msg 
var out = "" 
for (var i=0; i<position; i++) 
{out += msg.charAt(i)} 
for (i=1;i<jumpSpaces;i++) 
{out += " "} 
out += msg.charAt(position) 
window.status = out 
if (jumpSpaces <= 1) { 
position++ 
if (msg.charAt(position) == ' ') 
{position++ } 
jumpSpaces = 100-position 
} else if (jumpSpaces > 3) 
{jumpSpaces *= .75} 
else 
{jumpSpaces--} 
if (position != msg.length) { 
var cmd = "snapIn(" + jumpSpaces + "," + position + ")"; 
scrollID = window.setTimeout(cmd,scroll.delay); 
} else { 
window.status="" 
jumpSpaces=0 
position=0 
cmd = "snapIn(" + jumpSpaces + "," + position + ")"; 
scrollID = window.setTimeout(cmd,scroll.delay); 
return false 
} 
return true 
} 

