function validateContact()
{
	document.comment.submitButton.disabled=true;
	var errorColor = "Silver"
	var correctColor = "White"
	comment.First_Name.style.background = correctColor;
	comment.Last_Name.style.background = correctColor;
	comment.Number.style.background = correctColor;
	comment.email.style.background = correctColor;
	comment.Comment.style.background = correctColor; 

	if (comment.First_Name.value == ""){
		showDialog('Warning','Please enter your first name.','warning', 2);
		setTimeout('document.comment.submitButton.disabled=false', 2500);
		setTimeout("comment.First_Name.focus();", 2500);
		comment.First_Name.style.background = errorColor; 
		return false;
	}
	if (comment.Last_Name.value == ""){
		showDialog('Warning','Please enter your last name.','warning', 2);
		setTimeout('document.comment.submitButton.disabled=false', 2500);
		setTimeout("comment.Last_Name.focus();", 2500);
		comment.Last_Name.style.background = errorColor; 
		return false;
	}
	if (comment.Unit.value == ""){
		showDialog('Warning','Please choose a unit type.','warning', 2);
		setTimeout('document.comment.submitButton.disabled=false', 2500);
		setTimeout("comment.Unit.focus();", 2500);
		return false;
	}
	if (comment.Number.value == ""){
		showDialog('Warning','Please enter a unit number. If you do not have one enter None.','warning', 2);
		setTimeout('document.comment.submitButton.disabled=false', 2500);
		setTimeout("comment.Number.focus();", 2500);
		comment.Number.style.background = errorColor; 
		return false;
	}
	if (comment.email.value == "" || comment.email.value.indexOf('@',1)== -1 || comment.email.value.indexOf('.',2)==-1){
		showDialog('Warning','Please enter a valid email address.','warning', 2);
		setTimeout('document.comment.submitButton.disabled=false', 2500);
		setTimeout("comment.email.focus();", 2500);		
		comment.email.style.background = errorColor; 
		return false;
	}
	if (comment.Comment.value == ""){
		showDialog('Warning','What is the comment you want to make?','warning', 2);
		setTimeout('document.comment.submitButton.disabled=false', 2500);
		setTimeout("comment.Comment.focus();", 2500);		
		comment.Comment.style.background = errorColor; 
		return false;
	}
	
	showDialog('Success','Your message will now be sent. Thank you for your comment.','success', 3);
	changeAction()
	waitThenSubmit(3.25)
	return false;
}

function changeAction()
{
document.getElementById("comment").setAttribute("action","commArray.asp");
}

function waitThenSubmit(sec) 
{
setTimeout("document.comment.submit();", sec * 1000);
return false;
}


// global variables //
var TIMER = 5;
var SPEED = 10;
var WRAPPER = 'content';

// calculate the current window width //
function pageWidth() {
  return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}

// calculate the current window height //
function pageHeight() {
  return window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
}

// calculate the current window vertical offset //
function topPosition() {
  return typeof window.pageYOffset != 'undefined' ? window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
}

// calculate the position starting at the left of the window //
function leftPosition() {
  return typeof window.pageXOffset != 'undefined' ? window.pageXOffset : document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
}

// build/show the dialog box, populate the data and call the fadeDialog function //
function showDialog(title,message,type,autohide) {
  if(!type) {
    type = 'error';
  }
  var dialog;
  var dialogheader;
  var dialogclose;
  var dialogtitle;
  var dialogcontent;
  var dialogmask;
  if(!document.getElementById('dialog')) {
    dialog = document.createElement('div');
    dialog.id = 'dialog';
    dialogheader = document.createElement('div');
    dialogheader.id = 'dialog-header';
    dialogtitle = document.createElement('div');
    dialogtitle.id = 'dialog-title';
    dialogclose = document.createElement('div');
    dialogclose.id = 'dialog-close'
    dialogcontent = document.createElement('div');
    dialogcontent.id = 'dialog-content';
    dialogmask = document.createElement('div');
    dialogmask.id = 'dialog-mask';
    document.body.appendChild(dialogmask);
    document.body.appendChild(dialog);
    dialog.appendChild(dialogheader);
    dialogheader.appendChild(dialogtitle);
    dialogheader.appendChild(dialogclose);
    dialog.appendChild(dialogcontent);;
    dialogclose.setAttribute('onclick','hideDialog()');
    dialogclose.onclick = hideDialog;
  } else {
    dialog = document.getElementById('dialog');
    dialogheader = document.getElementById('dialog-header');
    dialogtitle = document.getElementById('dialog-title');
    dialogclose = document.getElementById('dialog-close');
    dialogcontent = document.getElementById('dialog-content');
    dialogmask = document.getElementById('dialog-mask');
    dialogmask.style.visibility = "visible";
    dialog.style.visibility = "visible";
  }
  dialog.style.opacity = .00;
  dialog.style.filter = 'alpha(opacity=0)';
  dialog.alpha = 0;
  var width = pageWidth();
  var height = pageHeight();
  var left = leftPosition();
  var top = topPosition();
  var dialogwidth = dialog.offsetWidth;
  var dialogheight = dialog.offsetHeight;
  var topposition = top + (height / 3) - (dialogheight / 2);
  var leftposition = left + (width / 5) - (dialogwidth / 2);
  dialog.style.top = topposition + "px";
  dialog.style.left = leftposition + "px";
  dialogheader.className = type + "header";
  dialogtitle.innerHTML = title;
  dialogcontent.className = type;
  dialogcontent.innerHTML = message;
  var content = document.getElementById(WRAPPER);
  dialogmask.style.height = content.offsetHeight + 'px';
  dialog.timer = setInterval("fadeDialog(1)", TIMER);
  if(autohide) {
    dialogclose.style.visibility = "hidden";
    window.setTimeout("hideDialog()", (autohide * 1000));
  } else {
    dialogclose.style.visibility = "visible";
  }
}

// hide the dialog box //
function hideDialog() {
  var dialog = document.getElementById('dialog');
  clearInterval(dialog.timer);
  dialog.timer = setInterval("fadeDialog(0)", TIMER);
}

// fade-in the dialog box //
function fadeDialog(flag) {
  if(flag == null) {
    flag = 1;
  }
  var dialog = document.getElementById('dialog');
  var value;
  if(flag == 1) {
    value = dialog.alpha + SPEED;
  } else {
    value = dialog.alpha - SPEED;
  }
  dialog.alpha = value;
  dialog.style.opacity = (value / 100);
  dialog.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(dialog.timer);
    dialog.timer = null;
  } else if(value <= 1) {
    dialog.style.visibility = "hidden";
    document.getElementById('dialog-mask').style.visibility = "hidden";
    clearInterval(dialog.timer);
  }
}