function incText() {
 wrapper = document.body;
 wrapper.style.fontSize = '1em';
} //end function incText()
function setActiveStyleSheet( title ) {
 var i, a, main;
 for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
   a.disabled = true;
   if(a.getAttribute("title") == title) a.disabled = false;
  } //end if
 } //end for
} //end function setActiveStyleSheet()
function getActiveStyleSheet() {
 var i, a;
 for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) {
   return a.getAttribute("title");
  } //end if
 } //end for
 return null;
} //end function getActiveStyleSheet()
function getPreferredStyleSheet() {
 var i, a;
 for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")) {
   return a.getAttribute("title");
  } //end if
 } //end for
 return null;
} //end function getPreferredStyleSheet()