function choosePic(){

if (document.images){
    	randomNum=
    	Math.floor((Math.random()*10))%25+1
    	document.Pic1.src="http://reachscaffolding.com/Images/Jobs/"+[randomNum]+".jpg"
    	randomNum=
    	Math.floor((Math.random()*10))%25+1
    	document.Pic2.src="http://reachscaffolding.com/Images/Jobs/"+[randomNum]+".jpg"
}
    	setTimeout("choosePic()",5000);
}