var currentsize = 1;
var fontsizes = ["smallfont", "normalfont", "largefont", "xlargefont"];

function fontsize(newsize, obj) {	
  currentsize = Math.max(Math.min(currentsize+newsize, fontsizes.length-1), 0);
  var stylesheet = document.getElementsByTagName("link");
  for (var i=0; stylesheet[i]; i++) {
    if ((stylesheet[i].getAttribute("rel").indexOf("style") != -1) && (stylesheet[i].getAttribute("title"))) {
       stylesheet[i].disabled = true;
       if (stylesheet[i].getAttribute("title") == fontsizes[currentsize]) stylesheet[i].disabled = false;
	}
  }
  obj.blur();
}

function printprewiev() {
  document.getElementById('backandprint').style.display = "block";
  var stylesheet = document.getElementsByTagName("link");
  for (var i=0; stylesheet[i]; i++) {
    if ((stylesheet[i].getAttribute("rel").indexOf("style") != -1) && (stylesheet[i].getAttribute("title"))) {
      stylesheet[i].disabled = true;
      if (stylesheet[i].getAttribute("title") == "print") stylesheet[i].disabled = false;
		}		
  }
/* print full main page
	if (window.location == window.location.protocol + '//'+String(window.location).split('/')[2]+'/') {
		document.body.className = "subpage main";
	}
*/
}

function backtonormal() {
  document.getElementById('backandprint').style.display = "none";
  var stylesheet = document.getElementsByTagName("link");
  for (var i=0; stylesheet[i]; i++) {
    if ((stylesheet[i].getAttribute("rel").indexOf("style") != -1) && (stylesheet[i].getAttribute("title"))) {
      //stylesheet[i].disabled = true;
      if (stylesheet[i].getAttribute("title") == "print") stylesheet[i].disabled = true;
	}
  }
}