function chk() 
{
if(document.form1.nam1.value.search(/\S/) == -1)
 {
alert("Please enter celebrant name.");
document.form1.nam1.focus();
return false;
 }
 if(document.form1.nam2.value.search(/\S/) == -1)
 {
alert("Please enter celebrant\'s registration number.");
document.form1.nam2.focus();
return false;
 }
 if(document.form1.nam3.value.search(/\S/) == -1)
 {
alert("Please enter celebrant Address..");
document.form1.nam3.focus();
return false;
 }
 
var p=0;
for(var i=0;i<document.form1.nam4.length;i++)
 {
 if(document.form1.nam4[i].selected)
	{
	p=p+1;
	}
  }
  if(p<=0)
	{
	alert("Please select at least one region");
	return false;
	} 
 
 if(document.form1.nam5.value.search(/\S/) == -1)
 {
alert("Please enter celebrant postcode.");
document.form1.nam5.focus();
return false;
 }
 if(isEmail(document.form1.nam6.value) == false) 
 {

							alert("Please enter a valid email address.");

							document.form1.nam6.focus();

							return false;
 }
if(document.form1.nam7.value.search(/\S/) == -1)
 {
alert("Please enter phone no.");
document.form1.nam7.focus();
return false;
 }
}

function chk_ceremony() 
{
var p=0;
for(var i=0;i<document.form1.nam8.length;i++)
 {
 if(document.form1.nam8[i].checked)
	{
	p=p+1;
	}
  }
  if(p<=0)
	{
	alert("Please select at least one ceremony");
	return false;
	}

var p=0;
for(var i=0;i<document.form1.nam9.length;i++)
 {
 if(document.form1.nam9[i].checked)
	{
	p=p+1;
	}
  }
  if(p<=0)
	{
	alert("Please select at least one ceremony style");
	return false;
	}

var p=0;
for(var i=0;i<document.form1.nam10.length;i++)
 {
 if(document.form1.nam10[i].checked)
	{
	p=p+1;
	}
  }
  if(p<=0)
	{
	alert("Please select at least one ceremony location");
	return false;
	}
}


function chk_login() 
{
if(document.form1.nam14.value.search(/\S/) == -1)
 {
alert("Please enter a username.");
document.form1.nam14.focus();
return false;
 }
if(document.form1.nam14.value.length<5)
 {
 alert("Please choose a username at least 5 characters long");
 document.form1.nam14.focus();
 return false;
 }
if(document.form1.nam15.value.search(/\S/) == -1)
 {
alert("Please enter a password..");
document.form1.nam15.focus();
return false;
 }
if(document.form1.nam15.value.length<5)
 {
 alert("Please choose a password atleast 5 characters long");
 document.form1.nam15.focus();
 return false;
 }
if(document.form1.nam16.value.search(/\S/) == -1)
 {
alert("Please retype password.");
document.form1.nam16.focus();
return false;
 }
if(document.form1.nam15.value!=document.form1.nam16.value)
 {
 alert("Please enter similar password");
 document.form1.nam16.focus();
 return false;
 }
}

function chk_sub() 
{
if(document.form1.nam18.value.search(/\S/) == -1)
 {
alert("Please select payment option.");
document.form1.nam18.focus();
return false;
 }
}


function isEmail(str) 
  { 
 var regex = /^[-_.a-z0-9]+@(([-a-z0-9]+\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i; 
  return regex.test(str); 
 }