function popup(mylink, windowname, w, h, x, y) {
  if (!window.focus) return true;
  var href;
  if (typeof(mylink) == 'string') {
    href=mylink;
  } else {
    href=mylink.href;  
  }
  window.open(href, windowname, 'width='+w+',height='+h+',scrollbars=no,screenX='+x+',screenY='+y);
  return false;
}

function gotoDisplay(tabName) {
	var tabList = new Array(7);
	tabList[0] = 'buss_0';
	tabList[1] = 'buss_1';
	tabList[2] = 'buss_2';
	tabList[3] = 'buss_3';
	tabList[4] = 'buss_4';
	tabList[5] = 'buss_5';
	tabList[6] = 'buss_6';
	
  var i = 0;
  for (i = 0; i<7 ; i++ ) {
		document.getElementById(tabList[i]).style.display = "none";
	}
	document.getElementById(tabName).style.display = "block";
}

function gotoDisplay2(tabName) {
	var tabList = new Array(6);
	tabList[0] = 'voice_0';
	tabList[1] = 'voice_1';
	tabList[2] = 'voice_2';
	tabList[3] = 'voice_3';
	tabList[4] = 'voice_4';
	tabList[5] = 'voice_5';
	
  var i = 0;
	for (i = 0; i<6 ; i++ ) {
		document.getElementById(tabList[i]).style.display = "none";
	}
	document.getElementById(tabName).style.display = "block";
}

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];}
}


/* form validation methods */

function isPositiveWholeNumber(value) {
  var reg = new RegExp("^[0-9]+$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}
}

function isNumeric(value) {
  var reg = new RegExp("^[0-9\.-]+$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}
}

function isEmail(value) {
  var reg = new RegExp("^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}  
}

// alpha only, no spaces
function isAlpha(value) {
  var reg = new RegExp("^[A-Za-z]+$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}  
}

// alphanumeric only, no spaces
function isAlphanumeric(value) {
  var reg = new RegExp("^[0-9A-Za-z\.-]+$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}  
}

function isEmpty(value) {
  var reg = new RegExp("^\\s*$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}  
}

// alphanumeric with spaces
function isAlphanumericWithSpaces(value) {
  var reg = new RegExp("^[0-9A-Za-z\.-\\s]+$");
	if(reg.test(value)) {
		return true;
	} else {
	  return false;
	}  
}

// The following sort functions are used by the table (datatable) code
function sortNumbers(a, b) {
  return a - b;
}

function specialSort(a) {
  var strngs = new Array();
  var nums = new Array();
  for (var y=0; y<a.length; y++) {
    if (/^\d+/.test(a[y])) {
      nums.push(a[y]);
    } else if (/^$\d+/.test(a[y])) {
      nums.push(a[y]);
    } else {
      strngs.push(a[y]);
    }
  }
  nums.sort(sortNumbers);
  strngs.sort();
  refillCounter = 0;
  for (var y=0; y<strngs.length; y++) {
    a[refillCounter] = strngs[y];
    refillCounter++;
  }
  for (var y=0; y<nums.length; y++) {
    a[refillCounter] = nums[y];
    refillCounter++;
  }

  return a;
}