//---------------------------------//
// DateValidate Script Function
//--------------------------------//

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("Invalid date")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Invalid date")
		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("Invalid date")
		return false
	}
return true
}
//---------------------------------------//
//   Compare between to Date Function 
//--------------------------------------//
function compareDates(value1, value2) 
{
//mm/dd/yyyy
	var z = value2.split('/');
	var x= value1.split('/');
	if (parseInt(x[2])>parseInt(z[2]))
	{	
		return 1;	
	}
	if (parseInt(x[2])==parseInt(z[2])) 
	{
		if (parseInt(x[0])>parseInt(z[0]))
		{    
	   		return 1;
		}		
		if (parseInt(x[0])==parseInt(z[0]))
		{
			if (parseInt(x[1])>parseInt(z[1]))
			{	 
				return 1;
			}
			if(parseInt(x[1])==parseInt(z[1]))
			{
				return 0;
			}	
			if (parseInt(x[1])<parseInt(z[1]))
			{	
				return -1;	
			}					
		}//end month
		if (parseInt(x[0])<parseInt(z[0]))
		{  	    
			return -1;	
		}	  	 
	}//end year	
	if (parseInt(x[2])<parseInt(z[2]))
	{	
		return -1;	
	}
}
/*---------------------------*/    
// WebSite Validate Script 
/*---------------------------*/
function isURL(s) 
{
    var regexp = /[A-Za-z0-9\.-]{3,}\.[A-Za-z]{3}/;
    return regexp.test(s);
}
/*---------------------------*/    
// E-Mail Validate Script 
/*---------------------------*/
function echeck(str)
{
    var at="@";
    var dot=".";
    var lat=str.indexOf(at);
    var lstr=str.length;
    var ldot=str.indexOf(dot);
    if (str.indexOf(at)==-1)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    if (str.indexOf(at,(lat+1))!=-1)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    if (str.indexOf(dot,(lat+2))==-1)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    if (str.indexOf(" ")!=-1)
    {
    alert("Invalid E-mail ID");
    return false;
    }
    return true;					
} 

/*---------------------------*/
//Image Validate
/*---------------------------*/

function checkImg(ImgName,strImg)
{
    if(ImgName != "")
    {
        var fileext=strrev(ImgName).split(".");
        var str;
        str=strrev(fileext[0]);
        strnew=str.toLowerCase()
        if(strnew == "gif" ||strnew == "jpg" || strnew == "png" || strnew == "bmpg")
        {
         return true;
        }
        else
        {
        alert("Please select a jpg, gif, png or bmp  file for upload.");					
        return false;
        }			
    }
    else   
    {
     alert("Select Image to upload.");
     return false;
    }	
}
function strrev(str) 
{
	if (!str) return '';
	var revstr='';
	for (i = str.length-1; i>=0; i--)
		revstr+=str.charAt(i)
	return revstr;
} 
/*---------------------------*/
//Numeric Fields Validate
/*---------------------------*/

function handleEvent(evt, str) 
{	
    if(navigator.userAgent.indexOf("Firefox")!=-1)
    {
    var versionindex=navigator.userAgent.indexOf("Firefox")+8;
    if (parseInt(navigator.userAgent.charAt(versionindex))>=1);
    var myEvent = window.event ? window.event : evt;
    return checkInFireFox(myEvent,str);
    }
    else
    {
    var myEvent = window.event ? window.event : evt;
    return checkInIE11(myEvent, str);
    }
}

function checkInIE11(e)
{//alert(e.keyCode);
   if ((e.keyCode < 48) || (e.keyCode > 57))
    {
        alert("Only Numeric Fields Allowed"); 
        e.keyCode=0;
    }	
return true;
}
function checkInFireFox(e, str)
{
    if(e.charCode==0)
    {
        return true;
    }
    else
    {			
        if ((e.charCode < 48) || (e.charCode > 57 ))
        {
	        alert("Please Enter Only Numeric Value.");				
	        return false;
        }
    }
}
function checkUId(e)
{
    if(e.keyCode==32 ||((e.keyCode >= 33 && e.keyCode <= 47) || (e.keyCode >= 58 && e.keyCode <= 96)))
    {
     alert("The ID contains invalid character(s).");
    //		     alert("Space and Special Character is not Allowed in login Id"); 
     return false;
    }
}

function funOnFocus(elem, val)
{
	if(document.getElementById(elem).value==val)
	{			
		document.getElementById(elem).value="";
	}
}

function funOnBlur(elem, val)
{
	if(document.getElementById(elem).value=="")
	{
		document.getElementById(elem).value=val;
	}
}