/*
CopyRight (c) 2005-2006 i17c.net Aeolusares ɵÓã
*/
function picsize(obj,MaxWidth,MaxHeight){ 
  img=new Image();
  img.src=obj.src; 
  if (img.width > MaxWidth){ 
  	if (img.height> MaxHeight){
  		if(MaxWidth/img.width*img.height>MaxHeight){
    		return MaxHeight*img.width/img.height;
  		}else{
			return MaxWidth;
  		}
 	}else{
    	return MaxWidth;
 	} 
  }else{
  	if (img.height>MaxHeight){ 
    	return MaxHeight*img.width/img.height; 
 	}else{
    	return img.width; 
 	}
  }
}


function getPreview(){
	tmp=document.all["pic_uploads"].value;
	if(tmp!=""){
		document.all["ImgPre"].src=tmp;
		document.all["HrefPre"].href=tmp;
		document.all["IfUpload"].value="uploading";
	}else{
		document.all["IfUpload"].value="";
	}
}