//This javascript file contains functions commonly used throughout the site

var qstring=location.search;

/// Preload Nav Images
var images_array = new Array('');

function preloadImages() {
    for(loop = 0; loop < images_array.length; loop++) {
        var an_image = new Image();
        an_image.src = images_array[loop];
    }
}

function isEmail(email) {
    invalidChars = " ~\'^\`\"*+=\\|][(){}$&!#%/:,;";

    // Check for null
    if (typeof(email)=="undefined") {
        return false;
    }
    if (email == "") {
        return false;
    }

    // Check for invalid characters as defined above
    for (i=0; i<invalidChars.length; i++) {
        badChar = invalidChars.charAt(i);
        if (email.indexOf(badChar,0) > -1) {
            return false;
        }
    }
    lengthOfEmail = email.length;
    if ((email.charAt(lengthOfEmail - 1) == ".") || (email.charAt(lengthOfEmail - 2) == ".")) {
        return false;
    }
    Pos = email.indexOf("@",1);
    if (email.charAt(Pos + 1) == ".") {
        return false;
    }
    while ((Pos < lengthOfEmail) && ( Pos != -1)) {
        Pos = email.indexOf(".",Pos);
        if (email.charAt(Pos + 1) == ".") {
            return false;
        }
        if (Pos != -1) {
            Pos++;
        }
    }

    // There must be at least one @ symbol
    atPos = email.indexOf("@",1);
    if (atPos == -1) {
        return false;
    }

    // But only ONE @ symbol
    if (email.indexOf("@",atPos+1) != -1) {
        return false;
    }

    // Also check for at least one period after the @ symbol
    periodPos = email.indexOf(".",atPos);
    if (periodPos == -1) {
        return false;
    }
    if (periodPos+3 > email.length) {
        return false;
    }
    return true;
}



//<!-- Original:  Cyanide_7 (leo7278@hotmail.com) -->
//<!-- Web Site:  http://www7.ewebcity.com/cyanide7 -->
//<!-- This script and many more are available free online at -->
//<!-- The JavaScript Source!! http://javascript.internet.com -->
function clearField(a,b) {
	if (a.value==b) {
		a.value="";
	}
}

function doNothing() {
}

function openPrivacy() {
    var n=open('privacy.jsp','new','width=497,height=500,menubar=no,scrollbars=yes,resizable=no,location=no,directories=no,top=200,left=200');
    if (n!=null) {
        n.focus();
    }
}