// JavaScript Document
function checkemail(obj)
{

  if(!isEmailAddr(obj.value))
    {
	  alert("Enter valid Email ID");
	  obj.value="";
	  obj.focus();
	   return true;
	}
	else
	{
	return false;
	}
 }
 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 txtInt(obj)
{
  var oldvalue=obj.value;
  var flag=1;
  var val="";
    
  if(event.keyCode < 45 || event.keyCode > 57)
    flag=0
	
  if(event.keyCode==8)
    flag=1

  if(event.keyCode==46)
    flag=0;
   if(flag==0)
    event.returnValue = false;
}

function confirm_delete()
{
 if (confirm("Are you sure you want to delete?") == true) {
 	return true;
 } else {
 	return false;
 }
}

function txtFloat(obj)
{
  var oldvalue=obj.value;
  var flag=1;
  var val="";
    
  if(event.keyCode < 45 || event.keyCode > 57)
    flag=0

  if(event.keyCode==8)
    flag=1

  if(oldvalue.length==0 && event.keyCode==46)
    flag=0;

  if(oldvalue.indexOf(".")>=0 && event.keyCode==46)
  flag=0

  if(event.keyCode==46 && flag==1)
    flag=1

  if(flag==0)
    event.returnValue = false;    
 }
 
function chk_validate()
{
flag=0;
 var x=document.form1.chk; 
 for(i=0;i<x.length;i++)         
 {
	 if(x[i].checked)
    {
		
      flag=flag+1;		  
    }
 }
    if ((flag==0) && (x.checked))
        flag++;
    
	if(flag==0)
	{
		alert("You must choose Atleast One Record ");
		return false;
	}
    else
    { 
	if(confirm("Are you Sure to delete"))
 	  return true;
 	else
	  return false;
    }
}	






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