// JavaScript Document
function clearText(input)	{
	if('- Insert Email -'==input.value)	{
		input.value = '';
	}
}

function restoreText(input)	{
	if(input.value=='')		{
		input.value = 'Search...';
	}
}


var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function CouponValid(){
	 
	 		var HostName = document.getElementById('HostName').value;
			var CouponName = document.getElementById('CouponName').value;
			var StartDate = document.getElementById('StartDate').value;
			var EndDate = document.getElementById('EndDate').value;
			var dPercentage = document.getElementById('Percentage').checked;
			var dPrice = document.getElementById('Price').checked;
			var DiscountValue = document.getElementById('DiscountValue').value;

			if(HostName==''){ 
					document.getElementById('HostNameError').innerHTML ='Please Select Host Name';
					return false;
			 }else{
			 
					document.getElementById('HostNameError').innerHTML = "";
			 }
			
			if(document.getElementById('catid')){
				var catid = document.getElementById('catid').value
				if(catid==''){ 
							document.getElementById('CategoryError').innerHTML ='Please Select Category Name';
							return false;
					}else{
							document.getElementById('CategoryError').innerHTML = "";
				 }
			 }
			
			if(CouponName==''){ 
					document.getElementById('CouponNameError').innerHTML ='Please Enter Coupon Name';
					document.getElementById('CouponName').focus();
					return false;
			}else{
					document.getElementById('CouponNameError').innerHTML ="";
			}
			
			if(StartDate==''){	
					document.getElementById('StartDateError').innerHTML ='Please Enter Correct Start Date';
					document.getElementById('StartDate').focus();
					return false;
				}else{
						document.getElementById('StartDateError').innerHTML = "";
						if (isDate(StartDate)==false){
							document.getElementById('StartDate').value='';
							document.getElementById('StartDate').focus(); 	
							return false;
				        }
			   }

			if(EndDate==''){	
					document.getElementById('EndDateError').innerHTML ='Please Enter Correct Start Date';
					document.getElementById('EndDate').focus();
					return false;
				}else{
						document.getElementById('EndDateError').innerHTML = "";
						if (isDate(EndDate)==false){
							document.getElementById('EndDate').value='';
							document.getElementById('EndDate').focus(); 	
							return false;
				        }
			   }
			  
			if(dPercentage==false && dPrice==false){
					document.getElementById('dtError').innerHTML ='Please Select Discount Type';
					return false;
			}else{
					document.getElementById('dtError').innerHTML ='';
			}
 			  
			if(DiscountValue==''){ 
					document.getElementById('DiscountValueError').innerHTML ='Please Enter DiscountValue';
					return false;
			 }
			 else{
					document.getElementById('DiscountValueError').innerHTML = "";
			 }

	 }

	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
	}
	
	function ValidateForm(){
		var dt=document.frmSample.txtDate
		if (isDate(dt.value)==false){
			dt.focus()
			return false
		}
		return true
	 }

function cancelText(input){
		 document.getElementById('CouponName').value = "";
		 document.getElementById('StartDate').value = "";
		 document.getElementById('EndDate').value = "";
		 document.getElementById('DiscountValue').value = "";	
}

checked=false;
function checkedAll (frmcompare) {
	
	var aa= document.getElementById('frmcompare');
	 if (checked == false)
          {
           checked = true
          }
        else
          {
          checked = false
          }
	for (var i =0; i < aa.elements.length; i++) 
	{
	 aa.elements[i].checked = checked;
	}
      }
	  
	
//Write Reviews

	  function isEmailAddr(email)
		{
		  var result = false;
		  var theStr = new String(email);
		  var index = theStr.indexOf("@");
		  if (index > 0)
		  {
			var pindex = theStr.indexOf(".",index);
			if ((pindex > index+1) && (theStr.length > pindex+1))
			result = true;
		  }
		  return result;
	  }

	 function ReviewValid(){
	 
	 
			var ReviewTitle = document.getElementById('review-title').value;
			var review = document.getElementById('review').value;
			var txtname = document.getElementById('txtname').value;
			var mail = document.getElementById('txtmail').value;
			var location = document.getElementById('txtloc').value;
			
			
			if(ReviewTitle==''){ 
					document.getElementById('ReviewTitleError').innerHTML ='Please Enter Review Title';
					return false;
			 }else{
			 
					document.getElementById('ReviewTitleError').innerHTML = "";
			 }

			if(review==''){ 
					document.getElementById('ReviewError').innerHTML ='Please Enter Review';
					return false;
			 }else{
			 
					document.getElementById('ReviewError').innerHTML = "";
			 }
 
			if(txtname==''){ 
					document.getElementById('NameError').innerHTML ='Please Enter Name';
					return false;
			 } else{
			 
					document.getElementById('NameError').innerHTML = "";
			 }

			if(mail==''){ 
					document.getElementById('EmailError').innerHTML ='Please Enter Eamil Address';
					return false;
			 }
			
			if(!(isEmailAddr(mail)))
			{			
			document.getElementById('EmailError').innerHTML ='Please Enter valid Eamil Address';
			return false;
			} else { 
			document.getElementById('EmailError').innerHTML ='';
			
			} 

			if(location==''){ 
					document.getElementById('LocError').innerHTML ='Please Enter Location';
					return false;
			 }else{
			 
					document.getElementById('LocError').innerHTML = "";
			 }

			document.WriteReview.hdAction.value = 1;
			document.WriteReview.submit();
	 }