function trim(b){
var i=0;
while(b.charAt(i)==" ")
{
i++;
}
b=b.substring(i,b.length);
len=b.length-1;
while(b.charAt(len)==" "){
len--;
}
b=b.substring(0,len+1);
return b;
}
function isCharsInBag (s, bag)
  {
    var i;
    // Search through string's characters one by one.
    // If character is in bag, append to returnString.

    for (i = 0; i < s.length; i++)
    {
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) return false;
    }
    return true;
 }
function isEmpty(s)
{
		  return ((s == null) || (s.length == 0))
}
function checkmailadd(s)
{
	var i;
	var found1=false;
	var found2=false;
	var count1=0;
	for (i = 0; i < s.length; i++)
	    {   
			
      	  
      	  // Check that current character isn't whitespace.
	        if(s.charAt(i)== '@') {found1=true;count1++;}
      	  if(s.charAt(i)== '.'){ found2=true; }
	   }
	if(found1==true && found2==true)
	{	
		if(count1 > 1)
			return false;
		else
		    return true;
		}
	else
		return false;
return true;
}

function isDate(strdate) { 
 // alert(strdate)
  var datedelimiter = '/';
  var datesplit = strdate.split(datedelimiter)
  if (datesplit.length > 3) {return false;}
  var month = 0; 
  month = datesplit[0];
  if (month == 0 || month >12) {return false;}
  if (isNaN(datesplit[0])) {return false;}
  else if (isNaN(datesplit[1])) {return false;}
  else if (isNaN(datesplit[2])) {return false;}
  else {
    //var year = parseInt(datesplit[2],10);
    
    var yearLn = (datesplit[2].length);
    var year= datesplit[2];
    	
    if (yearLn==1){return false;}
    if (yearLn==3){return false;}
    if (yearLn==2){
         year = '20'+ year
        
         }

   //var year = year;
   // alert(year)
    if(year<2000) {return false;}
    if(year>2999) {return false;}

    // var year = (datesplit[2],10);

    var day = parseInt(datesplit[1],10);
     if(day==0){return false;}
	if (day>31){return false;}
    if ((day > 30) && ((month == 4) || (month == 6) || (month == 9) || (month == 11))) {return false;}
    if (month == 2) {  // This calculates the basic leap year no matter the format, i.e. 2000 or 00. 
		var leap = ((year/4) == parseInt(year/4))
		if (leap) {if (day > 29) {return false;}
		}else {if (day > 28) {return false;}
      }
    }
  }
  
  return true;
}

function isbigdateTime(StDate, StTime, EdDate, EdTime)
 {
//alert('start' + StTime + 'end' + EdTime)
	//var DTDelimiter = ' ';
	var DateDelimiter='/';
	var TimeDelimiter=':';
	
	//Split start date and time.
	//var StDTSplit = StDateTime.split(DTDelimiter);
	//if (StDTSplit.length>2){return false;}
	//var StDate=StDTSplit[0];
	//var StTime=StDTSplit[1];
	var StDSplit = StDate.split(DateDelimiter);//Splite date into MM/DD/YYYY
	//alert(StDSplit.length)
	if (StDSplit.length>3){return false;}
	var StMM=parseInt(StDSplit[0]);
	var StDD=parseInt(StDSplit[1]);
	var StYY=parseInt(StDSplit[2]);
	var StTSplit = StTime.split(TimeDelimiter);//Splite time into H:M
	if (StTSplit.length>2){return false;}
	var StH=StTSplit[0];
	var StM=StTSplit[1];
	//alert('StMM' + StMM + '  StDD' + StDD + '  StYY' + StYY + '  StH' + StH + '  StM' 

//+ StM);
	
	//Split end date and time.
	//var EdDTSplit = EdDateTime.split(DTDelimiter);
	//if (EdDTSplit.length>2){return false;}
	//var EdDate=EdDTSplit[0];
	//var EdTime=EdDTSplit[1];
	var EdDSplit = EdDate.split(DateDelimiter);//Splite date into MM/DD/YYYY
	if (EdDSplit.length>3){return false;}
	
	var EdMM=parseInt(EdDSplit[0]);
	var EdDD=parseInt(EdDSplit[1]);
	var EdYY=parseInt(EdDSplit[2]);
	var EdTSplit = EdTime.split(TimeDelimiter);//Splite time into H:M
	//alert(EdTSplit.length)
	if (EdTSplit.length>2){return false;}
	var EdH=EdTSplit[0];
	var EdM=EdTSplit[1];
	//alert('time'+ EdH)
	//alert('EdMM' + EdMM + '  EdDD' + EdDD + '  EdYY' + EdYY + '  EdH' + EdH + '  EdM' 

//+ EdM);
	
	if(StYY>EdYY){
	    form1.txtDateEnd.focus()
		return false;
	}
	else if(StYY==EdYY && StMM>EdMM){return false;}	
	else if(StYY==EdYY && StMM==EdMM && StDD>EdDD){return false;}	
	else if(StYY==EdYY && StMM==EdMM && StDD==EdDD && StH>EdH){
		//alert("time HH")
		form1.selEndTime.focus(); 
		return false;
	}else if(StYY==EdYY && StMM==EdMM && StDD==EdDD && StH==EdH && StM>=EdM){
		//alert("time MM")
		form1.selEndTime.focus(); 
		//form.selEndTime.focus();
		return false;
	}	return true;	
}
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