var flag=false; 
function DrawImage(ImgD){ 
var image=new Image(); 
image.src=ImgD.src; 
if(image.width>0 && image.height>0){ 
flag=true; 
if(image.width/image.height>= 700/1000){ 
if(image.width>700){ 
ImgD.width=700; 
ImgD.height=(image.height*700)/image.width; 
}else{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
ImgD.alt=image.width+"×"+image.height; 
} 
else{ 
if(image.height>1000){ 
ImgD.height=1000; 
ImgD.width=(image.width*1000)/image.height; 
}else{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
ImgD.alt=image.width+"×"+image.height; 
} 
} 
}
//
function DrawImage2(ImgD){ 
var image=new Image(); 
image.src=ImgD.src; 
if(image.width>0 && image.height>0){ 
flag=true; 
if(image.width/image.height>= 200/180){ 
if(image.width>200){ 
ImgD.width=200; 
ImgD.height=(image.height*200)/image.width; 
}else{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
ImgD.alt=image.width+"×"+image.height; 
} 
else{ 
if(image.height>180){ 
ImgD.height=180; 
ImgD.width=(image.width*180)/image.height; 
}else{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
ImgD.alt=image.width+"×"+image.height; 
} 
} 
} 
//预先载入图片
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
  var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
  if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}