javascript:
var keyCSV=true;
var highlightedTarget='';
var shiftKey=false;
var background='transparent url(data:image/png;charset=utf-8;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAIAAAACUFjqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAABGdBTUEAALGeYUxB9wAAACBjSFJNAAB6JQAAgIMAAPoBAACA5gAAdTEAAOpcAAA6lwAAF25E0P0BAAAAPUlEQVR42mLcdeAKA24AEEBMDHgBQAARkAYIIALSAAFEQBoggAhIAwQQAWmAACIgDRBABKQBAoiANECAAQDTLgJiYYMOJQAAAABJRU5ErkJggg%3D%3D) repeat scroll 0 0';
(function () {
   document.onmouseover=function (e) {
      if(keyCSV){      
         if(e.target!=highlightedTarget){                           
            if(highlightedTarget.style) highlightedTarget.style.background='';
            highlightedTarget=e.target;         
            if( highlightedTarget!=document.documentElement && !/body/.test(highlightedTarget.nodeName.toLowerCase()) && shiftKey )
               highlightedTarget.style.background=background;                        
         }
      } 

   };
   document.onclick=function (e) { 
      if(keyCSV) {
         if(highlightedTarget.style) highlightedTarget.style.background='';
         window.open('data:text/plain;charset=utf-8,'+
            escape(highlightedTarget.outerHTML.replace(/STYLE\=''/g,'')),'',
            'top='+window.innerHeight*.05+',left='+window.innerWidth*.05+',height='+window.innerHeight*.35+',width='+window.innerWidth*.9);
	 shiftKey=false;
         return false;
      }
   };
   document.onkeydown=function(e){
      if(e.keyCode==16) shiftKey=true;
      if(e.keyCode==0) {
         highlightedTarget.style.background='';
         keyCSV=false;
      }
   };
   document.onkeyup=function(e){
      if(shiftKey) {
         shiftKey=false;
	 if(highlightedTarget.style) highlightedTarget.style.background='';
      }
   };
})();