//Center Popup
function NewWindow(mypage, myname, w, h, scroll) {
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
    win = window.open(mypage, myname, winprops)
    if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function ValidatorTrim(s) {
    var m = s.match(/^\s*(\S+(\s+\S+)*)\s*$/);
    return (m == null) ? "" : m[1];
}

function checkPhone(phone)
{
	if (/^[0-9]{3}\-[0-9]{3}\-[0-9]{4}$/.test(phone))
	{
		return true;
	}
	return false;
}

function checkalphanumeric(alphane)
{
	var str = alphane;
	for(var j=0; j<str.length; j++)
	{
		var alphaa = str.charAt(j);
		var chrcode = alphaa.charCodeAt(0);
		if((chrcode > 47 && chrcode<59) || (chrcode > 64 && chrcode<91) || (chrcode > 96 && chrcode<123) || chrcode==95)
		{
		}
		else
		{
			return false;
		}
	}
	return true;
}
function checkEmail(strng)
{
	var error = "";
	if (strng == "")
		{
		error = "You did not enter an email-address.\n";
		}
	var emailFilter=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
	if (!(emailFilter.test(strng))) 
		{ 
		error = "Please enter a valid email address.\n";
		}
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	if(strng.match(illegalChars))
		{
		error = "The email address contains illegal characters.\n";
		}
	return error;
}
function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}