function preloadImgs(){var d=document;if(d.images){if(!d.G_aImgs)d.G_aImgs=new Array;var i,j,p=d.G_aImgs,l=p.length,a=preloadImgs.arguments;for(i=0;i<a.length;i++){if(typeof(a[i])=='string'){p[l]=new Image;p[l++].src=a[i]}else{for(j=0;j<a[i].length;j++){p[l]=new Image;p[l++].src=a[i][j]}}}}}function getImgsByName(sName,sSep,sStates){var x,d=document,r=new Array;if(d.images){if(x=d.images[sName]){var i,ext,img,pos,st,a=sStates.split(','),s=new Array;ext=x.src.substr(pos=x.src.lastIndexOf('.'));img=x.src.substring(0,pos);st=img.substr((pos=x.src.lastIndexOf(sSep))+1);if((','+sStates+',').indexOf(','+st+',')!=-1)img=img.substring(0,pos);s[0]=x.src;r[r.length]=x.src;for(i=0;i<a.length;i++){s[a[i]]=img+sSep+a[i]+ext;if(s[a[i]]!=x.src)r[r.length]=s[a[i]]}if(!d.G_aSts)d.G_aSts=new Array();d.G_aSts[sName]=s}}return r}function getImgsByPrefix(sPref,sSep,sStates){var d=document,r=new Array;if(d.images){var i,j,n,a=sPref.split(',');for(i=0;i<d.images.length;i++){n=d.images[i];if(n.name){for(j=0;j<a.length;j++){if(n.name.indexOf(a[j])==0){r=r.concat(getImgsByName(n.name,sSep,sStates));break}}}}}return r}function swapState(){var d=document,i,j=0,x,a=swapState.arguments;if(d.images&&d.G_aSts){d.G_sr=new Array;for(i=0;i<(a.length-1);i+=2){if(x=d.images[a[i]]){d.G_sr[j++]=x;x.oSrc=x.src;x.src=d.G_aSts[a[i]][a[i+1]]}}}}function swapImgs(){var d=document,i,j=0,x,a=swapImgs.arguments;if(d.images){d.G_sr=new Array;for(i=0;i<(a.length-1);i+=2){if(x=d.images[a[i]]){d.G_sr[j++]=x;x.oSrc=x.src;x.src=a[i+1]}}}}function swapReset(){var i,x,a=document.G_sr;for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++){x.src=x.oSrc}}

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){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(name)==0)return c.substring(name.length,c.length);}return null;}function getDefaultStyle(){var cookie=readCookie("style");var title=cookie?cookie:getPreferredStyleSheet();return title;}function switchStyle(title){setActiveStyleSheet(title);createCookie("style",title,30);if(window.activeStyleLink)window.activeStyleLink.className='';window.activeStyleLink=document.getElementById('stl'+title);if(window.activeStyleLink)window.activeStyleLink.className='hilite';}