// 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(source, arguments){
	var dtCh="/";
	var dtStr=arguments.Value;
	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")
		arguments.IsValid=false;
		return;
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		arguments.IsValid=false;
		return;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		arguments.IsValid=false;
		return;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		arguments.IsValid=false;
		return;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		arguments.IsValid=false;
		return;
	}
arguments.IsValid=true;
return;
}
function checkall()
{ 
	if(document.Form1.chkSelectAll.checked){ 
		for(i=0;i<document.Form1.elements.length;i++)  
		{
			if(document.Form1.elements[i].type=="checkbox")  
			{  
				document.Form1.elements[i].checked=true; 
			}  
		}  
	}else{  
		for(i=0;i<document.Form1.elements.length;i++)  
		{  
			for(i=0;i<document.Form1.elements.length;i++)  
			{  
				if(document.Form1.elements[i].type=="checkbox")  
				{  
					document.Form1.elements[i].checked=false;  
				}  
			}  
		}  
	}  
}
function checkSubMenus(id){
	var temp='document.Form1.chk' + id;
	if(eval(temp).checked){ 
		for(i=0;i<document.Form1.elements.length;i++)  
		{
			if(document.Form1.elements[i].type=="checkbox" && document.Form1.elements[i].id.toString().charAt(3)==id)  
			{  
				document.Form1.elements[i].checked=true; 
			}  
		}  
	}else{  
		for(i=0;i<document.Form1.elements.length;i++)  
		{
			if(document.Form1.elements[i].type=="checkbox" && document.Form1.elements[i].id.toString().charAt(3)==id)  
			{  
				document.Form1.elements[i].checked=false; 
			}  
		}  
	} 
}
function checkSubMenus1(id)
{ 
	var temp='document.Form1.chk' + id;
	for(i=0;i<document.Form1.elements.length;i++)  
	{
		if(document.Form1.elements[i].type=="checkbox" && document.Form1.elements[i].id.toString().charAt(3)==id)  
		{  
			if (document.Form1.elements[i].checked=false)
			{
				eval(temp).checked=false; 
				break;
			}
		}  
	}  
}
function confirmDelete()
{
	return  confirm('Do you want to delete ?');
}
function chkid()
{
	var i;
	var idvals="";
	for(i=0;i<document.Form1.elements.length;i++)
	{
		if(document.Form1.elements[i].type=="checkbox" && document.Form1.elements[i].checked==true)
		{
			if(idvals!="")
			{
				idvals=idvals + "," + document.Form1.elements[i].value;
			}
			else
			{
				idvals=document.Form1.elements[i].value;
			}
		}
	}
	if(idvals=="")
	{
		alert("Please check atleast one checkbox");
		return false;
	}
	else
	{
		if (document.getElementById('_ctl0_ddlPageStatus').selectedIndex == 0)
		{
			alert('Please select an operation.');
			return false;
		}
		if (document.getElementById('_ctl0_ddlPageStatus').selectedIndex == 3)
		{	
			return confirm('Do you want to delete ?');	
		}
	}
}

function getdata(id)
{
	window.open("/Calender.aspx?cid="+id,"Calender","height=220px,width=235px,dependent=yes,screenX=300,screenY=300");
}