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 "";
	}

	function resizeText(multiplier) {  
	

		if (document.body.style.fontSize == "") {  
			document.body.style.fontSize = "0.7em";  
		}

		document.body.style.fontSize = parseFloat(document.body.style.fontSize) + (multiplier * 0.2) + "em";

		//store font size in session
	   	//alert(document.body.style.fontSize);
	   	setCookie('candisFontSize',document.body.style.fontSize,10);
	   	initialiseFontSize();
	} 

	function initialiseFontSize(){
		document.body.style.fontSize = getCookie('candisFontSize');
	}