//<!--
function openPopup(url,name,height,width){
			newwindow=window.open(url,name,'height='+height+',width='+width);
}
function getURL(url){
		 this.location.href=url 
}

function changeSheets(whichSheet){
  whichSheet=whichSheet-1;
  if(document.styleSheets){
    var c = document.styleSheets.length;
   
    for(var i=0;i<c;i++){
      if(i!=whichSheet){
        document.styleSheets[i].disabled=true;
      }else{
        document.styleSheets[i].disabled=false;
      }
    }
  }
}
function setCookie(c_name,value,expiredays){
var exdate=new Date();
exdate.setDate(expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate);
}
function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return null
}
function checkCookie(){
	styleSheet=getCookie('styleSheet');
	if (styleSheet!=null){
		changeSheets(styleSheet);

	}
	else {
			var defaultStyle=3;
			setCookie('styleSheet',defaultStyle,365);
			changeSheets(defaultStyle);
		}
}
//-->