function rollOver () {}
	if(document.images)
{
var roll1=new Image(); roll1.src='images/links_01o.gif';
var roll2=new Image(); roll2.src='images/links_02o.gif';
var roll3=new Image(); roll3.src='images/links_03o.gif';
var roll4=new Image(); roll4.src='images/links_04o.gif';
var roll5=new Image(); roll5.src='images/links_05o.gif';
var roll6=new Image(); roll6.src='images/links_06o.gif';

var roll7=new Image(); roll7.src='images/links2_01o.gif';
var roll8=new Image(); roll8.src='images/links2_02o.gif';
var roll9=new Image(); roll9.src='images/links2_03o.gif';
var roll10=new Image(); roll10.src='images/links2_04o.gif';
var roll11=new Image(); roll11.src='images/links2_05o.gif';
var roll12=new Image(); roll12.src='images/links2_06o.gif';
var roll13=new Image(); roll13.src='images/links2_07o.gif';

var roll14=new Image(); roll14.src='images/sublinks_histo.gif';
var roll15=new Image(); roll15.src='images/sublinks_servo.gif';
var roll16=new Image(); roll16.src='images/sublinks_equipo.gif';
var roll17=new Image(); roll17.src='images/sublinks_locationo.gif';
var roll18=new Image(); roll18.src='images/sublinks_oilfreeo.gif';

}