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_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_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_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 doGolfBoxLogin(frm)
{
  golfboxLogin = document.getElementById('txtBoxLogin');
  golfboxPassword = document.getElementById('txtBoxLoginPwd');
  doRemember = document.getElementById('chkRememberMe').checked;

  if (doRemember) {
      setCookie('GolfBoxUsername',golfboxLogin.value,365);
      setCookie('GolfBoxPassword',golfboxPassword.value,365);
      frm.submit();
  }
  else {
      setCookie('GolfBoxUsername','',-1);
      setCookie('GolfBoxPassword','',-1);
      frm.submit();
      golfboxLogin.value='';
      golfboxPassword.value='';
  }
  return false;
}


function checkGolfboxLogin() {
  golfboxLogin = document.getElementById('txtBoxLogin');
  golfboxPassword = document.getElementById('txtBoxLoginPwd');

  golfboxLogin.value = getCookie('GolfBoxUsername');
  golfboxPassword.value = getCookie('GolfBoxPassword');

  if (golfboxLogin.value.length>0 && golfboxPassword.value.length>0)
  {
      document.getElementById('chkRememberMe').checked = true;
  }
  else {
      document.getElementById('chkRememberMe').checked = false;
  }
}

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 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 showHideElementById(id) {
  var elem=document.getElementById(id);
  if (elem.style.display=='block')
  {
      elem.style.display='none';
   }
   else
   {
      elem.style.display='block';
   }
}


function hideOtherMenuElements(id){
  elems = document.getElementsByTagName('div');
  for (t=0;t<elems.length;t++) {
    if(elems[t].id!=id && elems[t].id.substring(0,9)=='divMenuId') {
        elems[t].style.display='none';
    }
  }
}



function calcHcp(form, selectorId) 	{
    calc = document.getElementById(selectorId);
    num= calc.selectedIndex;
    var inpVal = form.inp.value;
	if (inpVal == null || inpVal.length==0) { return; }
    inpVal = inpVal.replace(",",".");
    Slope = eval(calc.options[num].value)[0];
    Rating = eval(calc.options[num].value)[1];
    Par = eval(calc.options[num].value)[2];
    form.hc.value = Math.round((parseFloat(inpVal) * Slope/113)+Rating-Par)
}



  	
function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}

function popup_blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('popupBlanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-150;//150 is half popup's height
	popUpDiv.style.top = popUpDiv_height + 'px';
}

function popup_window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;//150 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}

function popup(windowname) {
	popup_blanket_size(windowname);
	popup_window_pos(windowname);
	toggle('popupBlanket');
	toggle(windowname);		
}