var propNum = 1; // Default big-pic viewing number

function change(id){
     ID = document.getElementById(id);
     if(ID.style.display == "")
          ID.style.display = "none";
     else
          ID.style.display = "";
}

function hide(id){
     ID = document.getElementById(id);
     if(ID != null) ID.style.display = "none";
}

function popUp(url, pageWidth, pageHeight)
{
    var args = "width=" + pageWidth + ",height=" + pageHeight + ",scrollbars,resizable";
    var date = new Date();
    var now = date.getTime();
    var name = (now).toString(10);
    window.open(url,name,args);
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function change(idto){
     IDD = document.getElementById(idto);
     if(IDD.style.display == "")
          IDD.style.display = "none";
     else
          IDD.style.display = "";
}

var min=8;
var max=18;
var ground = 0;
function increaseFontSize() {
   var p = document.getElementsByTagName('div');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 11;
      }
      if(s!=max) {
         s += 1;
      }
      p[i].style.fontSize = s+"px"
   }
   ground += 1;
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('div');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 11;
      }
      if(s!=min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"px"
   }
   ground -= 1;
}
var z;
function originalFontSize() {
	z=ground;
	if(ground>0){
		while (z != 0){
			   decreaseFontSize();
			   z -= 1;
 		}
	}else if(ground<0){
		while (z != 0){
			   increaseFontSize();
			   z += 1;
 		}
	}
}