function check_invite(){
				if(!document.frm_ivite.from.value)
				{
				alert('Please enter your email');
				document.frm_ivite.from.focus();
				return false;
				}else 
 				 {   
					var emailStr=document.frm_ivite.from.value;
					var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
					var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
					if (!(!reg1.test(emailStr) && reg2.test(emailStr))) 
					  {
						 alert("Please check your Email Address.");
						 document.frm_ivite.from.focus();
						 return false;   
					  }
				 }
				if(!document.frm_ivite.name.value)
				{
				alert('Please enter your name');
				document.frm_ivite.name.focus();
				return false;
				}
				if(!document.frm_ivite.to1.value)
				{
				alert('Please enter friend email');
				document.frm_ivite.to1.focus();
				return false;
				} else 
 				 {   
					var emailStr=document.frm_ivite.to1.value;
					var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
					var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
					if (!(!reg1.test(emailStr) && reg2.test(emailStr))) 
					  {
						 alert("Please check Friend Email Address.");
						 document.frm_ivite.to1.focus();
						 return false;   
					  }
				 }

if(!document.frm_ivite.tname1.value)
				{
				alert('Please enter friend name');
				document.frm_ivite.tname1.focus();
				return false;
				}
}

function chek_email()
{

if(!document.frm.Email.value)
				{
				alert('Please Enter  Email Address');
				document.frm.Email.focus();
				return false;
				} else 
 				 {   
					var emailStr=document.frm.Email.value;
					var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
					var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
					if (!(!reg1.test(emailStr) && reg2.test(emailStr))) 
					  {
						 alert("Please check  Email Address.");
						 document.frm.Email.focus();
						 return false;   
					  }
				 }
document.frm.submit();
}