var ck=document.cookie;

function tr_getCk(n)
{
 var ar=n+"=";
 var al=ar.length;
 var cl=ck.length;
 var i=0;
 while(i < cl)
 {
 j=i+al;
 if(ck.substring(i,j)==ar)
 {
 e=ck.indexOf(";",j);
 if(e==-1)
 e=ck.length;
 return unescape(ck.substring(j,e));
 }
 i=ck.indexOf(" ",i)+1;
 if(i==0)
 break;
 }
 return null;
}


function tr_sCk(n,v,x,p,d) {
 var cstr;
 document.cookie = n + "=" + escape(v) +
 ((x) ? "; expires="+x : "") +
 ((p) ? "; path="+p : "") +
 ((d) ? "; domain="+d : "");
}

function DoCks()
{
	v=(((new Date).getTime())*1000)+Math.round(Math.random()*1000);
	var RetSessionStr,RetUserStr,value;
	RetUserStr = tr_getCk('RuW'); RetSessionStr = tr_getCk('RsW');
	if(RetUserStr==null)
		tr_sCk("RuW",v,"Tue, 31-Dec-2002 23:59:59 GMT","/",".rediff.com");
	if(RetSessionStr==null)
		tr_sCk("RsW","USA","","/",".rediff.com");
	return;
}

function callCityLocator(city,state,country) {
 val = 'get.city.php?vCity=' + city + '&vState=' + state + '&vCountry=' + country;
 cityLocator = window.open(val,'','height=360,width=340,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0');
}
function callCityLocator1(city,state,country) {
 val = 'get.city1.php?vCity=' + city + '&vState=' + state + '&vCountry=' + country;
 cityLocator = window.open(val,'','height=360,width=340,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0');
}
// Name Validator
function isName(str)
{
	if (str.length < 3)
		return false;
	for (var i = 0; i < str.length; i++)
	{
		var ch = str.substring(i, i+1);
		var ch1 = str.substring(i+1, i+2);
		var ch2 = str.substring(i+2, i+3);
		if ((ch < "a" || "z" < ch) && (ch < "A" || "Z" < ch) && (ch != '.') && (ch != ' '))
		{
			return false;
		}
		if (ch == ch1 && ch1 == ch2)
			return false;
	}
	return true;
}

function validEmail(email) {
	var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
	var checkend=/\.[a-zA-Z]{2,3}$/;

	if((email.search(exclude) != -1) || (email.search(checkend) == -1)) {
		return false;
	}

	atPos = email.indexOf("@",0);
	pPos1 = email.indexOf(".",0);
	periodPos = email.indexOf(".",atPos);

	pos1 = pPos1;
	pos2 = 0;
	while (pos2 > -1) {
		pos2 = email.indexOf(".",pos1+1);
		if (pos2 == pos1+1) {
			return false;
		} else {
			pos1 = pos2;
		}
	}

	if (atPos == -1) {
		return false;
	}

	if (atPos == 0) {
		return false;
	}

	if (pPos1 == 0) {
		return false;
	}

	if(email.indexOf("@",atPos+1) > -1) {
		return false;
	}

	if (periodPos == -1) {
		return false;
	}

	if (atPos+1 == periodPos) {
		return false;
	}

	if (periodPos+3 > email.length) {
		return false;
	}
	return true;
}

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

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;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		//alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		return false
	}
return true
}