window.onload = function() {
// Mouseovers
imgIds = new Array("loc", "fre", "tan", "rep");
for (i = 0 ; i < imgIds.length ; i++) { mouse(i); }
}  // End onload

function mouse(i) {
	if (document.attachEvent) { //For Internet Explorer
      document.getElementById(imgIds[i]).attachEvent("onmouseover", function() { document.getElementById(imgIds[i]+"span").style.backgroundPosition = "bottom"; });
	  document.getElementById(imgIds[i]).attachEvent("onmouseout", function() { document.getElementById(imgIds[i]+"span").style.backgroundPosition = "top"; });
    }  //End if
    if (document.addEventListener) { //For everyone
      document.getElementById(imgIds[i]).addEventListener("mouseover", function() { document.getElementById(imgIds[i]+"span").style.backgroundPosition = "bottom"; }, false);
	  document.getElementById(imgIds[i]).addEventListener("mouseout", function() { document.getElementById(imgIds[i]+"span").style.backgroundPosition = "top"; }, false);
    }  //End If
}  // End function mouse