window.onload = function(e) {	
	var prefix = "textsize=";
	var start = document.cookie.indexOf(prefix);
	var end = document.cookie.indexOf(";", start+prefix.length) 
	if (end==-1) {
		end=document.cookie.length;
	}
	var value=document.cookie.substring(start+prefix.length, end);

	if(value=="s"){
		switchStyle('s')
	}
	if(value=='n'){
		switchStyle('n')
	}
	if(value=='l'){
		switchStyle('l')
	}
}

function switchStyle(type) {
    var obj = document.getElementById('text');
	if(type=='s'){
		obj.style.fontSize="10px";
	}
	if(type=='n'){
		obj.style.fontSize="12px";
	}
	if(type=='l'){
		obj.style.fontSize="15px";
	}
	document.cookie="textsize="+escape(type)+";path=/;";
// var s=document.cookie.split(";");
// alert(s);
}