<!--

if(document.images)
           
           
          {	rollover1 = new Image;
           rolloff1 = new Image;       
           rollover1.src = "images/button_home2_over.gif";
           rolloff1.src =  "images/button_home2.gif";	}
           
          {	rollover2 = new Image;
           rolloff2 = new Image;       
           rollover2.src = "images/button_who_over.gif";
           rolloff2.src =  "images/button_who.gif";	}
           
          {	rollover3 = new Image;
           rolloff3 = new Image;       
           rollover3.src = "images/button_approach_over.gif";
           rolloff3.src =  "images/button_approach.gif";	}
           
          {	rollover4 = new Image;
           rolloff4 = new Image;       
           rollover4.src = "images/button_services_over.gif";
           rolloff4.src =  "images/button_services.gif";	}
           
          {	rollover5 = new Image;
           rolloff5 = new Image;       
           rollover5.src = "images/button_portfolio_over.gif";
           rolloff5.src =  "images/button_portfolio.gif";	}
           
          {	rollover6 = new Image;
           rolloff6 = new Image;       
           rollover6.src = "images/button_contact_over.gif";
           rolloff6.src =  "images/button_contact.gif";	}
             
           
	function image1_rollover() 
      { if(document.images) document.images["btn1"].src = rollover1.src; }
	function image1_rolloff()
      { if(document.images) document.images["btn1"].src = rolloff1.src; }
          
	function image2_rollover() 
      { if(document.images) document.images["btn2"].src = rollover2.src; }
	function image2_rolloff()
      { if(document.images) document.images["btn2"].src = rolloff2.src; } 
             
	function image3_rollover() 
      { if(document.images) document.images["btn3"].src = rollover3.src; }
	function image3_rolloff()
      { if(document.images) document.images["btn3"].src = rolloff3.src; }
          
	function image4_rollover() 
      { if(document.images) document.images["btn4"].src = rollover4.src; }
	function image4_rolloff()
      { if(document.images) document.images["btn4"].src = rolloff4.src; }  
             
	function image5_rollover() 
      { if(document.images) document.images["btn5"].src = rollover5.src; }
	function image5_rolloff()
      { if(document.images) document.images["btn5"].src = rolloff5.src; }
          
	function image6_rollover() 
      { if(document.images) document.images["btn6"].src = rollover6.src; }
	function image6_rolloff()
      { if(document.images) document.images["btn6"].src = rolloff6.src; }           
// -->