window.onload = setfont;
	
	function setfont(){ document.body.style.fontSize=loadCookie('fsize');}
	function chg(ritu){
	saveCookie('fsize',ritu+'px',10);
	document.body.style.fontSize=ritu+'px';
	}
	function saveCookie( vn, v, dy ){
	if(navigator.cookieEnabled)
	document.cookie = vn+ '='+ v+ ';expires='+ new Date((new Date()).getTime()+dy*24*3600000).toGMTString();
	}
	function loadCookie(vn){
	var rt='';
	if( vn && document.cookie ) {
	var v = document.cookie.split(';');
	for(i in v){ v[i].match(/^\s*(.*)=(.*)$/); if( RegExp.$1 == vn) { rt = RegExp.$2; break; } }
	} return rt;
}