var domain="pic.nsw.gov.au";

function resizeUp() {    
	if(!document.getElementById('cim_page-wrapper').style.fontSize){
		document.getElementById('cim_page-wrapper').style.fontSize = '100%';
	} else {
		var str_fontsize = document.getElementById('cim_page-wrapper').style.fontSize;
		var num_fontsize = str_fontsize.substring(0,str_fontsize.length-1);
		//alert(num_fontsize);		
        if (num_fontsize < 121 ) {
		    var num_newsize = num_fontsize * 1.1;		
		    document.getElementById('cim_page-wrapper').style.fontSize = num_newsize + '%';		    
		    SetCookie('fonttextsize',num_fontsize,null,'/');
		}
	}
}

function resizeZero() {
	document.getElementById('cim_page-wrapper').style.fontSize = '90%';
}

function resizeDown() {        
	if(!document.getElementById('cim_page-wrapper').style.fontSize){
		document.getElementById('cim_page-wrapper').style.fontSize = '80%';
	} else {	
		var str_fontsize = document.getElementById('cim_page-wrapper').style.fontSize;
		var num_fontsize = str_fontsize.substring(0,str_fontsize.length-1);
		//alert(num_fontsize);		
        if (num_fontsize > 70) {
		    var num_newsize = num_fontsize * 0.9;		
		    document.getElementById('cim_page-wrapper').style.fontSize = num_newsize + '%';		   
            SetCookie('fonttextsize',num_fontsize,null,'/');
        }
	}
}

function setFontSize(size)
{
    if (isNaN(size)) {
        resizeZero();
        DeleteCookie ('fonttextsize','/')
    } else if(size > 70 && size <= 121) {
	    if(!document.getElementById('cim_page-wrapper').style.fontSize){
		    document.getElementById('cim_page-wrapper').style.fontSize = '90%';
	    }
        document.getElementById('cim_page-wrapper').style.fontSize = size + '%';
    }
    else {
        resizeZero();
        DeleteCookie ('fonttextsize','/')
    }
}
function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
      return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 
  }
  return null;
}
function SetCookie (name,value,expires,path,domain) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "");
}
function DeleteCookie (name,path,domain) {
  if (GetCookie(name)) {
    document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}
function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}