var fontPercent=100;

function element(elementid){
	return document.getElementById(elementid);	
}

function FontSize(percent){
	percent=parseFloat(percent);
	if(!percent){
		percent=100;
	}

	if(element('mycustomscroll')){
		if(percent<100){
			percent=100;	
		}
		if(percent>200){
			percent=200;	
		}
		fontPercent=percent;
		setCookie('fontPercent',percent,30);
		element('mycustomscroll').style.fontSize=percent+'%';
	}
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

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 "";
}