function stripHTML(strHTML){
    var re = new RegExp;
    re = /<(.|\n)+?>/gi;
    return strHTML.replace(re, "");
    return strHTML
						
}

function isEmailValid(str) {

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
	    return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
	    return false
	 }
	
	 if (str.indexOf(" ")!=-1){
	    return false
	 }

	 return true					
}

function swapImage(img){
	thisSrc = img.src
	if(thisSrc.indexOf("On.gif") == -1){	//leave alone if on
		if(thisSrc.indexOf("Over") > 0){	//over, turn off
			thisSrc = thisSrc.replace("Over.gif", ".gif")
			img.src = thisSrc
		}	else {	//turn over
			thisSrc = thisSrc.replace(".gif", "Over.gif")
			img.src = thisSrc
		}
	}

}

//for use with any ajax calls													
var request = false;
var requestPrivate = false
try {
	request = new XMLHttpRequest();
} catch (trymicrosoft) {
	try {
	request = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (othermicrosoft) {
	try {
		request = new ActiveXObject("Microsoft.XMLHTTP");
	} catch (failed) {
		request = false;
	}  
	}
}


function swlaunchgraybox(strTitle, url, width, height){
    //see if this is an external url
    if (url.search("http://") >= 0 || url.search("https://") >= 0) {
        url = url
    } else { //internal grey box
        url = "/assets/GreyBoxes/" + url
    }
    GB_show(strTitle, url, height, width);
}

//-->

function _isInteger(val) {
    var digits = "1234567890";
    for (var i = 0; i < val.length; i++) {
        if (digits.indexOf(val.charAt(i)) == -1) { return false; }
    }
    return true;
}

function trim(str) {
    return str.replace(/^\s+|\s+$/g, "");
}

var digits = "0123456789";
var phoneNumberDelimiters = "()- ";
var validWorldPhoneChars = phoneNumberDelimiters + "+";
var minDigitsInIPhoneNumber = 10;

function stripCharsInBag(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 checkPhoneNumber(strPhone) {
    strPhone = trim(strPhone);
    s = stripCharsInBag(strPhone, validWorldPhoneChars);
    return (_isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function checkZip(strZip) {
    strZip = trim(strZip);
    return (_isInteger(strZip) && strZip.length == 5);
}