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;}
}
}
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");}
return null;}
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");}
return null;}
function createCookie(name,value,days) {if (days) {var date=new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires=";expires="+date.toGMTString();}
else expires="";document.cookie=name+"="+value+expires+";path=/";}
function readCookie(name) {var nameEQ=name + "=";var ca=document.cookie.split(';');for(var i=0;i < ca.length;i++) {var c=ca[i];while (c.charAt(0)==' ') c=c.substring(1,c.length);if (c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length);}
return null;}
// get the style sheet from the cookie
loadStyle=function(e) {var cookie=readCookie("style");var title=cookie ? cookie : getPreferredStyleSheet();setActiveStyleSheet(title);initStyle(title);}
// save the current selected style sheet in a cookie
saveStyle=function(e) {var title=getActiveStyleSheet();createCookie("style", title, 365);}
function initStyle(s)
{// select the style in the form select box
if (document.selstyle) with (document.frm.selstyle) for ( i=0 ;i < length ;i++)
if (options[i].innerHTML==s) options[i].selected=true;} window.onload=loadStyle;window.onunload=saveStyle;