Insertar el codigo:
    
        
            | <SCRIPT LANGUAGE="JavaScript"> <!-- Start of JavaScript code --------
 //
 // Description: Randomly change background color every 5 seconds
 // NewcWare 1997
 // Author: Scott Newcomer 3/1997
 // Email: nuke@bright.net
 //
 function setbackground()
 {
 window.setTimeout( "setbackground()", 3000); // 5000 milliseconds delay
 var index = Math.round(Math.random() * 9);
 var ColorValue = "FFFFFF"; // default color - white (index = 0)
 
 if(index == 1)
 ColorValue = "FFCCCC"; //peach
 if(index == 2)
 ColorValue = "CCAFFF"; //violet
 if(index == 3)
 ColorValue = "A6BEFF"; //lt blue
 if(index == 4)
 ColorValue = "99FFFF"; //cyan
 if(index == 5)
 ColorValue = "D5CCBB"; //tan
 if(index == 6)
 ColorValue = "99FF99"; //lt green
 if(index == 7)
 ColorValue = "FFFF99"; //lt yellow
 if(index == 8 )
 ColorValue = "FFCC99"; //lt orange
 if(index == 9)
 ColorValue = "CCCCCC"; //lt grey
 
 document.bgColor=ColorValue;
 
 }
 // -- End of JavaScript code -------------- -->
 </SCRIPT>
 |