function submitValidate() 
{ 
	var f=document.forms.tellForm;
  	var message='';
  	var blnRetval, intAtSign, intDot, intComma, intSpace, intLastDot, intDomain, intStrLen;
	
  		if (f.friend_name1.value.length > 0)
		{
	  		intAtSign=f.friend_email1.value.indexOf("@");
	  		intDot=f.friend_email1.value.indexOf(".",intAtSign);
			intComma=f.friend_email1.value.indexOf(",");
	  		intSpace=f.friend_email1.value.indexOf(" ");
	  		intLastDot=f.friend_email1.value.lastIndexOf(".");
	  		intDomain=intDot-intAtSign;
	  		intStrLen=f.friend_email1.value.length;

	  		if ((intDot <= 2) || (intDomain <= 1)  || (intStrLen-(intLastDot+1) < 2))
	  		{ 
			alert('Please enter a valid Friends e-mail address.\n');	
			return false;
			}
			else if (intSpace != -1) 
			{
			alert('Spaces are invalid in your Friends e-mail address.\n');
			return false;
			}
			else if (intComma != -1) 
			{
			alert('Comma is invalid in your Friends e-mail address.\n');
			return false;
			}
			else if (intAtSign == -1) 
			{
			alert('Your Friends e-mail Address is missing the \"@\".\n');
			return false;
			}
  		}
		
		if (f.your_email.value.length > 0)
		{
	  		intAtSign=f.your_email.value.indexOf("@");
	  		intDot=f.your_email.value.indexOf(".",intAtSign);
			intComma=f.your_email.value.indexOf(",");
	  		intSpace=f.your_email.value.indexOf(" ");
	  		intLastDot=f.your_email.value.lastIndexOf(".");
	  		intDomain=intDot-intAtSign;
	  		intStrLen=f.your_email.value.length;

	  		if ((intDot <= 2) || (intDomain <= 1)  || (intStrLen-(intLastDot+1) < 2))
	  		{ 
			alert('Please enter your valid e-mail address.\n');	
			return false;
			}
			else if (intSpace != -1) 
			{
			alert('Spaces are invalid in your e-mail address.\n');
			return false;
			}
			else if (intComma != -1) 
			{
			alert('Comma is invalid in your e-mail address.\n');
			return false;
			}
			else if (intAtSign == -1) 
			{
			alert('Your e-mail Address is  missing the \"@\".\n');
			return false;
			}
  		}
				
				
  		if (f.friend_name1.value.length==0) 
			{
			alert('Please enter your Friends Name.\n');
			return false;
			}
  		if (f.your_email.value.length==0) 
			{
			alert('Please enter your Email Address.\n');
			return false;
			}
		if (f.your_name.value.length==0) 
			{
			alert('Please enter your Name.\n');
			return false;
			}
  		if (f.friend_email1.value.length==0) 
			{
			alert('Please enter a Friends e-mail address.\n');
			return false;
			}	
		
			f.submit();
}