function fillform(form){var s=location.search;if(s.length>1){var f=document.forms[form];if(!f){return;}
s=s.substring(1);var param=s.split('&');for(var i=0;i<param.length;i++){var nv=param[i].split('=');if(nv.length==2){var e=f.elements[nv[0]];if(e){e.value=nv[1];}}}}
return;}
function check(form){var f=document.forms[form];if(!f){return true;}
var t=f.elements.message;if(t&&t.value===''){alert('Please write a message');return false;}
return true;}
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;}
window.onload=function(e){var cookie=readCookie("style");var title=(cookie!='null')?cookie:getPreferredStyleSheet();setActiveStyleSheet(title);fillform('f')};window.onunload=function(e){var title=getActiveStyleSheet();createCookie("style",title,365);};var cookie=readCookie("style");var title=cookie?cookie:getPreferredStyleSheet();setActiveStyleSheet(title);