
function setHtml(obj,Html)
{
  obj.innerHTML=Html;

}

function getobj(id)
{
   return document.getElementById(id);
}


function setdisplay(obj,enable)
{
  if(obj!=null)
  {
  if(enable=="hidden")
  {
  obj.style.visibility="hidden"
  obj.style.display="none"
  }
 
  if(enable=="enable")
  {
     
      obj.style.visibility="visible";
      obj.style.display="";
  }
  }
}

//arrobj:byName数组 
function setdisplaybyname(arrobj,enable)
{


    
	for(var i=0;i<arrobj.length;i++)
	{

  if(enable=="hidden")
  {
  arrobj[i].style.visibility="hidden"
  arrobj[i].style.display="none"
  }
 
  if(enable=="enable")
  {
     
      arrobj[i].style.visibility="visible";
      arrobj[i].style.display="";
  }

  }
}
//图片按比例缩放
var flag=false;
function DrawImage(ImgD,iwidth,iheight){
//参数(图片,允许的宽度,允许的高度)
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= iwidth/iheight){
if(image.width>iwidth){ 
ImgD.width=iwidth;
ImgD.height=(image.height*iwidth)/image.width;
}else{
ImgD.width=image.width; 
ImgD.height=image.height;
}
ImgD.alt=image.width+"×"+image.height;
}
else{
if(image.height>iheight){ 
ImgD.height=iheight;
ImgD.width=(image.width*iheight)/image.height; 
}else{
ImgD.width=image.width; 
ImgD.height=image.height;
}
ImgD.alt=image.width+"×"+image.height;
}
}
} 
 
