function pic(){
var p=document.getElementById("pageBody").getElementsByTagName("img");
	for(var i=0;i<p.length;i++){
	pp=p[i];
		var pw = pp.width;
		var ph = pp.height;  
	
	    if(parseInt(pw) > 650 ){
				pp.style.width = "650px";
				pp.style.height = "auto";
			 	}
	    if(parseInt(pw) < 650){
				pp.style.width = "auto";
				pp.style.height= "auto";
			 	}
      }     
}
function addLoadEvent(func){
 var oldonload = window.onload;
 if (typeof window.onload != "function"){
 window.onload = func;
 }else{
 window.onload = function(){
 oldonload();
 func();
   }
  }
}
addLoadEvent(pic);