var x = 0;
var maxX = 125;
var inc = 4;
var maxCycles = 2;
var cycles = 0;

function scrollPage(){	           
	if(x > maxX){
   	inc = -4;
    cycles++;
   }
   else if(x < 0) inc = 4;
   
   scroll(x,0);
	x = x + inc;   
   if(cycles < maxCycles) setTimeout("scrollPage();", 15);  			
}

function checkRes(){
  if(screen.width == "800" || screen.width == "640"){
  		scrollPage();
   	window.status = "Please change your screen resolution to 1024x768 or higher";
  }
}