// JavaScript Document


function checkDistrict()
{
	if(document.frmDistrict.district.value=="")
	{
		alert("District should not be empty");
		document.frmDistrict.district.focus();
	}
}

function checkArea()
{
	if(document.frmArea.area.value=="")
	{
		alert("Area should not be empty");
		document.frmArea.area.focus();
	}
}

function clearDOB()
{
	document.frmDoner.dob.value="";
}

function clearlastDonate()
{
	document.frmDoner.lastDonate.value="";
}

function checkDoner()
{
	if(document.frmDoner.donerName.value=="")
	{
		alert("Name should not be empty");
		document.frmDoner.donerName.focus();
		return false;
	}
	
	if(document.frmDoner.donerMobile.value=="" && document.frmDoner.donerPhone.value=="")
	{
		alert("Phone and Mobile both can't be empty");
		document.frmDoner.donerMobile.focus();
		return false;
	}
	
	if(document.frmDoner.donerEmail.value=="")
	{
		alert("Email should not be empty");
		document.frmDoner.donerEmail.focus();
		return false;
	}
	
	if(document.frmDoner.dob.value=="")
	{
		alert("Date of Birth should not be empty");
		document.frmDoner.dob.focus();
		return false;
	}
	
	if(echeck(document.frmDoner.donerEmail.value))
   	{
	     return true;
	   }
	   else
	   {
	    alert("Please enter vaild email Address.")
		 document.frmDoner.donerEmail.focus();
		return false;
  	}



}


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("Please enter valid email address.")
     return false
  }
  
 if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
    // alert("Please enter valid email address.")
     return false
  }

  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
     // alert("Please enter valid email address.")
      return false
  }

   if (str.indexOf(at,(lat+1))!=-1){
     // alert("Please enter valid email address.")
      return false
   }

   if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
     // alert("Please enter valid email address.")
      return false
   }

   if (str.indexOf(dot,(lat+2))==-1){
     // alert("Please enter valid email address.")
      return false
   }
  
   if (str.indexOf(" ")!=-1){
     // alert("Please enter valid email address.")
      return false
   }

    return true     
 }