// font size

var min=80;
var max=150;
function increaseFontSize() {
   var p = document.getElementsByTagName('body');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("%",""));
      } else {
         var s = 100;
      }
      if(s!=max) {
         s += 10;
      }
      p[i].style.fontSize = s+"%"
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('body');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("%",""));
      } else {
         var s = 100;
      }
      if(s!=min) {
         s -= 10;
      }
      p[i].style.fontSize = s+"%"
   }   
}


//hide show 
function showBlock(el,elh,vis_el,vis){
document.getElementById(el).style.height = elh;
if (vis == "y"){
//document.getElementById(el).style.clear = "both";
document.getElementById(vis_el).style.visibility = "hidden";

}
}
function hideBlock(el,elh,vis_el,vis){
document.getElementById(el).style.height = elh;
if (vis == "y"){
//document.getElementById(el).style.clear = "none";
document.getElementById(vis_el).style.visibility = "visible";
}
}


function openperisher88()
{
	window.open("http://www.rawfm.com.au/perisher/audio/","Perisher88","menubar=no,width=385,height=210,toolbar=no,scrollbars=no,status=no");
}