// Copyright 2000-2008, DataCom of Duluth
	
// Setup

//Set Cookie
function setCookie(theName, theValue) {
	var expDate = new Date;
	expDate.setMonth(expDate.getMonth()+6);
	document.cookie = theName + "=" + theValue +";expires=" + expDate.toGMTString() +";"
}

//Read cookie
function getCookieData(cookieName) {
  var cookieData = document.cookie;
  var i = 0;
  var cEnd;
  while (i < cookieData.length) {
    var j = i + cookieName.length;
    if (cookieData.substring(i, j) == cookieName) {
      cEnd = cookieData.indexOf(";", j);
      if (cEnd == -1)
        cEnd = cookieData.length;
      return decodeURIComponent(cookieData.substring(j + 1, cEnd));
    }
    i++;
  }
  return "";
}

//Set Cookie for Current Page
function scPage(cName) {
	document.cookie = "cPage" + "=" + cName+";path=/;";
	document.getElementById(cName).style.color = "#999999";
}

//Find ans set column heights
function setLayout() {
	var maxHt = 0;
	
	var leftHt = leftBox()
	var centerHt = centerBox();
	var rightHt = rightBox();
	
	maxHt = Math.max(eval(leftHt),eval(centerHt));
	maxHt = Math.max(eval(maxHt),eval(rightHt));
	
	if (leftHt != 0) {document.getElementById('leftCol').style.height=eval(maxHt) + "px"; }
	if (centerHt != 0) { document.getElementById('centerCol').style.height=eval(maxHt) + "px";	 }
	if (rightHt != 0) { document.getElementById('rightCol').style.height=eval(maxHt) + "px"; }
}

function leftBox() {
	var myLeft = document.getElementById('leftCol');
	try { return (myLeft.offsetHeight - 2); }
	catch(err) { return (0); }
}

function centerBox() {
	var myCenter = document.getElementById('centerCol');
	try { return (myCenter.offsetHeight - 2); }
	catch(err) { return (0); } 
}

function rightBox() {
	var myRight = document.getElementById('rightCol');
	try { return (myRight.offsetHeight - 2); }
	catch(err) { return (0); }
}

//Gray Out Current Page
function grayOut(imgName) {
	document[imgName].src=eval(imgName + "_g.src");
}

// Roll Over Buttons
function turnOn(imgName) {
	if(document.cookie.split("=")[1]!=document[imgName].name) {
		document[imgName].src=eval(imgName + "_on.src");
	}
}

function turnOff(imgName) {
	if(document.cookie.split("=")[1]!=document[imgName].name) {
		document[imgName].src=eval(imgName + "_off.src");
	}
}

//Open Files
function openFile(theFile) {
    window.open (theFile);
}

function openFileA(theFile, theWindow, theBar, theSize, theWidth, theHeight) {
    window.open (theFile, theWindow,"status=no,location=no,toolbars="+theBar+",menubar="+theBar+",directories=no,scrollbars=yes,resizable="+theSize+",width="+theWidth+",height="+theHeight);
}

function gf(theFile, theDiv) {
	getFile(theFile, theDiv);
	document.getElementById('txtLayer').style.display = "block";
	document.getElementById('txtLayer').style.opacity = ".80";
	document.getElementById('txtLayer').style.filter = "alpha(opacity=80)";
}
//AJAX File Request
function getFile(theFile, theDiv) {
	var pageReq = false;
	
    if (window.XMLHttpRequest) {
        pageReq = new XMLHttpRequest();
    } else if (window.ActiveXObject) {
		try {
			pageReq = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				pageReq = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				pageReq = false;
			}
		}
	}
	
    pageReq.open('GET', theFile, true);
    pageReq.onreadystatechange = function() {
        if (pageReq.readyState == 4) {
			document.getElementById(theDiv).innerHTML = pageReq.responseText;
			setLayout();
		}
    }
    pageReq.send(null);
}

//Process Forms
function postFile(theCGI, theQuery, theDiv) {
	var pageReq = false;
	
    if (window.XMLHttpRequest) {
        pageReq = new XMLHttpRequest();
    } else if (window.ActiveXObject) {
		try {
			pageReq = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				pageReq = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				pageReq = false;
			}
		}
	}
	
    pageReq.open('POST', theCGI, true);
    pageReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    pageReq.onreadystatechange = function() {
        if (pageReq.readyState == 4) {
			document.getElementById(theDiv).innerHTML = pageReq.responseText;
        }
    }
    pageReq.send(eval(theQuery)());
	document.getElementById(theDiv).innerHTML = "<h1>Sending . . . </h1>";
}

//  /contact.shtml form
function em() {
    var form = document.forms['ContactUs'];
    var fn = form.Name.value;
    var em = form.Email.value;
    var cm = form.Message.value;
    qstr = 'Name=' + escape(fn) + '&Email=' + escape(em) + '&Message=' + escape(cm);
    return qstr;
}