var digits = "0123456789";
var lLetters = "abcdefghijklmnopqrstuvwxyz"
var uLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
var alphanum = lLetters + uLetters + digits;
var whitespace = " \t\n\r ";

function isEmpty(s) {
	return ((s == null) || (s.length == 0))
}

function isWhitespace(s) {
	var i;
	if (isEmpty(s)) return true;
		for (i = 0; i < s.length; i++)
		{   
			var c = s.charAt(i);
			if (whitespace.indexOf(c) == -1) return false;
		}
	return true;
}

function StripIn (s, bag) {
	var i;
	var returnString = "";
	for (i = 0; i < s.length; i++) {   
		var c = s.charAt(i);
		if (bag.indexOf(c) == -1) returnString += c;
	}
	return returnString;
}

function StripNotIn (s, bag) {
	var i;
	var returnString = "";
	for (i = 0; i < s.length; i++) {
		 var c = s.charAt(i);
		 if (bag.indexOf(c) != -1) returnString += c;
	}
	return returnString;
}

function isLetter (c) {
	return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) )
}

function isDigit (c) {
	return ((c >= "0") && (c <= "9"))
}

function isLetterOrDigit (c) {
	return (isLetter(c) || isDigit(c))
}

function isInteger (s) {
	var i;
	if (isEmpty(s)) return false;
	for (i = 0; i < s.length; i++) {
		var c = s.charAt(i);
		if (!isDigit(c)) return false;
	}
	return true;
}

function AlphaNumeric(s) {
	var i;
	if (isEmpty(s)) return false;
	for (i = 0; i < s.length; i++) {
		var c = s.charAt(i);
		if (!isLetterorDigit(c)) return false;
	}
	return true;
}

function isLength(s, lMin, lMax) {
	if ((s.length >= lMin) && (s.length <= lMax)) return true;
	return false;
}

function warnInvalid (theField, s) {
	if (theField != null) {
		theField.focus();
	}
	alert(s);
	return false;
}


//********************** starts here
		/*
		Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
		Copyright 2002 by Sharon Paine
		Visit http://www.dynamicdrive.com for this script
		*/

		/* IMPORTANT: Put script after tooltip div or 
			put tooltip div just before </BODY>. */

		var dom = (document.getElementById) ? true : false;
		var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
		var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
		var ns4 = (document.layers && !dom) ? true : false;
		var ie4 = (document.all && !dom) ? true : false;
		var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;

		// resize fix for ns4
		var origWidth, origHeight;
		if (ns4) {
			origWidth = window.innerWidth; origHeight = window.innerHeight;
			window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
		}

		// avoid error of passing event object in older browsers
		if (nodyn) { event = "nope" }

		///////////////////////  CUSTOMIZE HERE   ////////////////////
		// settings for tooltip 
		// Do you want tip to move when mouse moves over link?
		var tipFollowMouse= false;	
		// Be sure to set tipWidth wide enough for widest image
		var tipWidth= 160;
		var offX= 20;	// how far from mouse to show tip
		var offY= 12; 
		var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
		var tipFontSize= "8pt";
		// set default text color and background color for tooltip here
		// individual tooltips can have their own (set in messages arrays)
		// but don't have to
		var tipFontColor= "#000000";
		var tipBgColor= "#DDECFF"; 
		var tipBorderColor= "#000080";
		var tipBorderWidth= 3;
		var tipBorderStyle= "ridge";
		var tipPadding= 4;

		// tooltip content goes here (image, description, optional bgColor, optional textcolor)
		var messages = new Array();
		// multi-dimensional arrays containing: 
		// image and text for tooltip
		// optional: bgColor and color to be sent to tooltip
		messages[0] = new Array('','',"#DDECFF");
		messages[1] = new Array('','','#FFFFFF');
		messages[2] = new Array('','','#FFFFFF');
		messages[3] = new Array('','',"#FFFFFF");
		messages[4] = new Array('','','#FFFFFF');
//		messages[4] = new Array('','No Install Video available','#FFFFFF');

		////////////////////  END OF CUSTOMIZATION AREA  ///////////////////

		// preload images that are to appear in tooltip
		// from arrays above
		if (document.images) {
			var theImgs = new Array();
			for (var i=0; i<messages.length; i++) {
  			theImgs[i] = new Image();
				theImgs[i].src = messages[i][0];
		}
		}

		// to layout image and text, 2-row table, image centered in top cell
		// these go in var tip in doTooltip function
		// startStr goes before image, midStr goes between image and text
		var startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%"><img src="';
		var midStr = '" border="0"></td></tr><tr><td valign="top">';
		var endStr = '</td></tr></table>';

		////////////////////////////////////////////////////////////
		//  initTip	- initialization for tooltip.
		//		Global variables for tooltip. 
		//		Set styles for all but ns4. 
		//		Set up mousemove capture if tipFollowMouse set true.
		////////////////////////////////////////////////////////////
		var tooltip, tipcss;
		function initTip() {
			if (nodyn) return;
			tooltip = (ns4)? document.tipDiv.document: (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
			tipcss = (ns4)? document.tipDiv: tooltip.style;
			if (ie4||ie5||ns5) {	// ns4 would lose all this on rewrites
				tipcss.width = tipWidth+"px";
				tipcss.fontFamily = tipFontFamily;
				tipcss.fontSize = tipFontSize;
				tipcss.color = tipFontColor;
				tipcss.backgroundColor = tipBgColor;
				tipcss.borderColor = tipBorderColor;
				tipcss.borderWidth = tipBorderWidth+"px";
				tipcss.padding = tipPadding+"px";
				tipcss.borderStyle = tipBorderStyle;
			}
			if (tooltip&&tipFollowMouse) {
				if (ns4) document.captureEvents(Event.MOUSEMOVE);
				document.onmousemove = trackMouse;
			}
		}

		window.onload = initTip;

		/////////////////////////////////////////////////
		//  doTooltip function
		//			Assembles content for tooltip and writes 
		//			it to tipDiv
		/////////////////////////////////////////////////
		var t1,t2;	// for setTimeouts
		var tipOn = false;	// check if over tooltip link
		function doTooltip(evt,num,showimg,img) {
			// if showimg = 'N', don't show the image
			//window.alert(img);
			if (!tooltip) return;
			if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
			tipOn = true;
			// set colors if included in messages array
			if (messages[num][2])	var curBgColor = messages[num][2];
			else curBgColor = tipBgColor;
			if (messages[num][3])	var curFontColor = messages[num][3];
			else curFontColor = tipFontColor;
			if (ns4) {
//				var tip = '<table bgcolor="' + tipBorderColor + '" width="' + tipWidth + '" cellspacing="0" cellpadding="' + tipBorderWidth + '" border="0"><tr><td><table bgcolor="' + curBgColor + '" width="100%" cellspacing="0" cellpadding="' + tipPadding + '" border="0"><tr><td>'+ startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr + '</td></tr></table></td></tr></table>';
				var tip = '<table bgcolor="' + tipBorderColor + '" width="' + tipWidth + '" cellspacing="0" cellpadding="' + tipBorderWidth + '" border="0"><tr><td><table bgcolor="' + curBgColor + '" width="100%" cellspacing="0" cellpadding="' + tipPadding + '" border="0"><tr><td>'+ startStr + img + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr + '</td></tr></table></td></tr></table>';
				tooltip.write(tip);
				tooltip.close();
			} else if (ie4||ie5||ns5) {
//				var tip = startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr;
				if (showimg=='N') {
					startStr = '<table width="' + tipWidth + '"><tr>';
					midStr = '<td valign="top">';
					var tip = startStr + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr;
				} else { 
					startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%"><img src="' + img;
					midStr = '" border="0"></td></tr><tr><td valign="top">';
					var tip = startStr + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr;
				}					
				tipcss.backgroundColor = curBgColor;
	 			tooltip.innerHTML = tip;
			}
			if (!tipFollowMouse) positionTip(evt);
			else t1=setTimeout("tipcss.visibility='visible'",100);
		}

		var mouseX, mouseY;
		function trackMouse(evt) {
			mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
			mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
			if (tipOn) positionTip(evt);
		}

		/////////////////////////////////////////////////////////////
		//  positionTip function
		//		If tipFollowMouse set false, so trackMouse function
		//		not being used, get position of mouseover event.
		//		Calculations use mouseover event position, 
		//		offset amounts and tooltip width to position
		//		tooltip within window.
		/////////////////////////////////////////////////////////////
		function positionTip(evt) {
			if (!tipFollowMouse) {
				mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
				mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
			}
			// tooltip width and height
			var tpWd = (ns4)? tooltip.width: (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
			var tpHt = (ns4)? tooltip.height: (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
			// document area in view (subtract scrollbar width for ns)
			var winWd = (ns4||ns5)? window.innerWidth-20+window.pageXOffset: document.body.clientWidth+document.body.scrollLeft;
			var winHt = (ns4||ns5)? window.innerHeight-20+window.pageYOffset: document.body.clientHeight+document.body.scrollTop;
			// check mouse position against tip and window dimensions
			// and position the tooltip 
			if ((mouseX+offX+tpWd)>winWd) 
				tipcss.left = (ns4)? mouseX-(tpWd+offX): mouseX-(tpWd+offX)+"px";
			else tipcss.left = (ns4)? mouseX+offX: mouseX+offX+"px";
			if ((mouseY+offY+tpHt)>winHt) 
				tipcss.top = (ns4)? winHt-(tpHt+offY): winHt-(tpHt+offY)+"px";
			else tipcss.top = (ns4)? mouseY+offY: mouseY+offY+"px";
			if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
		}

		function hideTip() {
			if (!tooltip) return;
			t2=setTimeout("tipcss.visibility='hidden'",100);
			tipOn = false;
		}

//*****************************************************//

		function openPDF(link, windowname) {
			ImageWindow=window.open (link, windowname, 'location=no,toolbar=no,titlebar=no,resizable=yes,scrollbars=yes')
		}

		function closePDF(windowname) {
			windowname.close();
		}

		function OpenMedia( url, width, height ) {
		//window.alert("Opening ipix : " + url);
		if ( typeof(window1) != "undefined" )
			window1.close();
			window1 = window.open( url, "yocarmedia", "fullscreen=0, resizable=0, width="+width+", height="+height+", directories=0, location=0, toolbar=0, menubar=0, scrollbars=0, status=0, titlebar=0", true );
			window1.focus();
		}

		function openPopUp( url, width, height )
		{  
		if ( typeof(window1) != "undefined" )    
		window1.close();
		window1 = window.open(url, "yocarpopup", "fullscreen=0, resizable=0, width="+width+", height="+height+", directories=0, location=0, toolbar=0, menubar=0, scrollbars=0, status=0, titlebar=0", true);
		window1.focus();
		}
