var textsize = 12;


	function changetextsize(up){
            //alert("inside changetextsize");
		if(up){
			if((textsize > 9)&&(textsize <16)){
			textsize = parseFloat(textsize)+2;
					
			
			}
		}else{
			if((textsize > 10)&&(textsize <17)){
			textsize = parseFloat(textsize)-2;
			}
		}
	}
	
function fsize(size,unit,id){
     //alert("inside fsize function");

		var vfontsize = document.getElementById(id);

		if(vfontsize){
			vfontsize.style.fontSize = size + unit;
			createCookie("textsizestyle", textsize, 0);

			
		}
	}
	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 nameCookie = name + "=";
		var cookieAr = document.cookie.split(';');
		for(var i=0;i < cookieAr.length;i++) {
			var c = cookieAr[i];
			while (c.charAt(0)==' '){
				c = c.substring(1,c.length);
			}
			if (c.indexOf(nameCookie) == 0) {
				return c.substring(nameCookie.length,c.length);
			}
		}
		return null;
	}