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 fontchange(size) {
	if (size == "a") {
		document.getElementById("surveyonly").style.fontSize = "8pt";	
		setCookie("fontsize", "a", 100);	
		document.getElementById("fonta").style.color= "#5a4a2a";
		document.getElementById("fontb").style.color= "#000033";
		document.getElementById("fontc").style.color= "#000033";		
		document.getElementById("fontd").style.color= "#000033";	
	}
	if (size == "b") {
		document.getElementById("surveyonly").style.fontSize = "10pt";	
		setCookie("fontsize", "b", 100);		
		document.getElementById("fonta").style.color= "#000033";
		document.getElementById("fontb").style.color= "#5a4a2a";
		document.getElementById("fontc").style.color= "#000033";		
		document.getElementById("fontd").style.color= "#000033";	
	}
	if (size == "c") {
		document.getElementById("surveyonly").style.fontSize = "12pt";	
		setCookie("fontsize", "c", 100);		
		document.getElementById("fonta").style.color= "#000033";
		document.getElementById("fontb").style.color= "#000033";
		document.getElementById("fontc").style.color= "#5a4a2a";		
		document.getElementById("fontd").style.color= "#000033";	
	}		
	if (size == "d") {
		document.getElementById("surveyonly").style.fontSize = "14pt";	
		setCookie("fontsize", "d", 100);		
		document.getElementById("fonta").style.color= "#000033";
		document.getElementById("fontb").style.color= "#000033";
		document.getElementById("fontc").style.color= "#000033";		
		document.getElementById("fontd").style.color= "#5a4a2a";	
	}
	return false;

}