this.onload = function(){
 this.moveTo(0,0);
 this.resizeTo(screen.availWidth,screen.availHeight);
 document.body.scrollTop = 1;
 change_font_size(13,25);
}
function change_font_size(font_size,lineHeight){
   var obj = $('content');
   var px = 'px';
   obj.style.fontSize = font_size+px;
   obj.style.lineHeight = lineHeight+px;
   var span = $tag(obj,'span');
   var font = $tag(obj,'font');
   var a = $tag(obj,'A');
   var p = $tag(obj,'P');
   var div = $tag(obj,'div');
   var td = $tag(obj,'td');
   var imgs = $tag(obj,'img');
   for(var i=0;i<span.length;i++){
      span[i].style.fontSize = font_size+px;
	  span[i].style.lineHeight = lineHeight+px;
   }
   for(var i=0;i<font.length;i++){
      font[i].style.fontSize = font_size+px;
	  font[i].style.lineHeight = lineHeight+px;
   }
   for(var i=0;i<a.length;i++){
      a[i].style.fontSize = font_size+px;
	  a[i].style.lineHeight = lineHeight+px;
   }
   for(var i=0;i<p.length;i++){
      p[i].style.fontSize = font_size+px;
	  p[i].style.lineHeight = lineHeight+px;
   }
   for(var i=0;i<div.length;i++){
      div[i].style.fontSize = font_size+px;
	  div[i].style.lineHeight = lineHeight+px;
   }
   for(var i=0;i<objTdElements.length;i++){
      objTdElements[i].style.fontSize = font_size+px;
	  objTdElements[i].style.lineHeight = lineHeight+px;
   }
   for(var i=0;i<imgs.length;i++){
      if(imgs[i].name!=''){
		   imgs[i].src = imgs[i].name;
		 }
   }
}