//page setup
onresize = centerContent;

//Mouse Over Scripts
function mOver ( el ) {
	//change image to be image name plus _over
	var imgPath = el.src;
	
	var filePath = string_getFilePath ( imgPath );
	var fileName = string_getFileName ( imgPath );
	var ext = string_getFileExt ( imgPath );

	//add _over if fileName does not already contain _over
	el.src = filePath + fileName + "_over" + ext;
}
function mOut ( el ) {
	//change image to be image name plus _over
	var imgPath = el.src;
	
	var filePath = string_getFilePath ( imgPath );
	var fileName = string_getFileName ( imgPath );
	var ext = string_getFileExt ( imgPath );
	
	//remove _over
	var fileName2 = fileName.replace("_over", "");
	el.src = filePath + fileName2 + ext;
}

	
// Easy Image Preloading
function loadImages() {
	//load all mouseovers
	loadMouseOvers();
	
	if (document.getElementById) {  // DOM3 = IE5, NS6
		document.getElementById('pageContent').style.visibility = 'visible';
	}
	else {
	if (document.layers) {  // Netscape 4
		document.pageContent.visibility = 'visible';
	}
	else {  // IE 4
		document.all.pageContent.style.visibility = 'visible';
		  }
	}
}

//preload all images that may be mouseOvers and their counterparts
function loadMouseOvers () {
	var els = document.getElementsByTagName("IMG");
	var elsCount = els.length;
	for (var i=0; i < elsCount; i++) {
		//alert(els[i].onmouseover);
		if ( els[i].onmouseover ) {
			//change image to be image name plus _over
			var imgPath = els[i].src;
			
			var filePath = string_getFilePath ( imgPath );
			var fileName = string_getFileName ( imgPath );
			var ext = string_getFileExt ( imgPath );
	
			//add _over
			var temp = newImage(filePath + fileName + "_over" + ext);
		}
		
	}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

//centering
function centerContent () {
//return;
	var el = document.getElementById('main');

   if(document.all){
      availH = document.body.clientHeight;
	  availW = document.body.clientWidth;
   }else{
      availH = innerHeight;
      availW = innerWidth;
   }
	var newY = (availH /2) - (el.offsetHeight / 2); 
	var newX = (availW /2) - (el.offsetWidth / 2); 
	
	if (newY >1 ) {
		el.style.top = newY + "px";
	} 
	if (newX >1 ) {
		el.style.left = newX + "px";
	} 
}

//String manipulation scripts
function string_getFilePath ( fullPath ) {
	var endOfPath = fullPath.lastIndexOf("/") + 1;
	var filePath = fullPath.substring(0, endOfPath);
	return filePath;
}

function string_getFileName ( fullPath ) {
	var endOfPath = fullPath.lastIndexOf("/") + 1;
	var fileFullName = fullPath.substring(endOfPath);
	//var filePath = imgPath.substr(0, endOfPath);
	//get extension
	var endOfName = fileFullName.lastIndexOf(".");
	var ext = fileFullName.substring( endOfName );
	//get file name
	var fileName = fileFullName.substring( 0, endOfName );
	//add _over
	return fileName;
}

function string_getFileExt ( fullPath ) {
	var endOfPath = fullPath.lastIndexOf("/") + 1;
	var fileFullName = fullPath.substring(endOfPath);
	//get extension
	var endOfName = fileFullName.lastIndexOf(".");
	var ext = fileFullName.substring( endOfName );
	return ext;
}


var newwin;
function launchwin(winurl,winname,winfeatures)
{
       //This launches a new window and then
       //focuses it if window.focus() is supported.
       newwin = window.open(winurl,winname,winfeatures);
       if(javascript_version > 1.0)
       {
               //delay a bit here because IE4 encounters errors
               //when trying to focus a recently opened window
               setTimeout('newwin.focus();',250);
       }
}