var check = false;

function changeFontSize(size) {
	var bodyEle = document.getElementsByTagName("body")[0];		
	if (bodyEle) {
		bodyEle.style.fontSize = size+"px";
	}
	storeFont(size);
}

function storeFont(fontSize) {
 	createCookie("user.FontSize", fontSize);
}

function storeContrast(param){
	createCookie("user.Contrast", param);
}

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 {
      		var expires = "";
				
    	}
    	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
   	var nameEQ = 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(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    	}
    	return null;
}

function initreadCookie() {
	fontSize = readCookie("user.FontSize");
	if (fontSize) {
    		changeFontSize(fontSize);			
	}
	
}