function validations()
{
var title=document.selectdate.title.value;
if(title=="0" || title=="")
{   
alert("Please enter the title");document.selectdate.title.focus();return false;  
}

var name=document.selectdate.name.value;
if(name=="0" || name=="")
{   
alert("Please enter the Name");document.selectdate.name.focus();return false;  
}
var phone=document.selectdate.phone.value;
if(phone=="0" || phone=="")
{   
alert("Please enter the Mobile No");document.selectdate.phone.focus();return false;  
}

var email=document.selectdate.email.value;
if(email=="0" || email=="")
{
alert("Please enter Email address");
document.selectdate.email.focus();
return false;
}

if(valemail(email,"Please enter valid Email ID!") == false)
{
document.selectdate.email.select();
return false;
}

  <script type="text/javascript" language="javascript">
			   //<![CDATA[
 
//]]>
  </script>
var subject=document.selectdate.subject.value;
if(subject=="0" || subject=="" )
{   
alert("Please Select your Subject");document.selectdate.subject.focus();return false;  
}
 if(document.selectdate.address.value=="")
 {
 alert("Please Enter the Address");
 document.selectdate.address.focus();
 return false;
 }
 

return true;
}
function valemail(field,alerttxt)
{
  with (field)
  {
   var atpos = field.indexOf("@")
   var dotpos = field.lastIndexOf(".")
   var lastpos = field.length - 1
    if (atpos < 2 || dotpos - atpos < 2 || lastpos-dotpos > 4 || lastpos-dotpos < 2 )
	{
	   alert(alerttxt)		
	   return false
	} 
  }
 }