function checkEnquiry()
  {
   var error="false";
	 if(document.getElementById('useremail').value=="")
	 {
    document.getElementById('email_req').innerHTML="<font color='red'>Please Enter E-mail</font>";
		error="true";
	 }
	 else if(document.getElementById('useremail').value!="")
	 {
	  re = /^(([a-z\._\-0-9])+\@([a-z\._\-0-9])+\.([a-z])+)?$/i;
		if(! re.test(document.getElementById('useremail').value))
		{
		  document.getElementById('email_req').innerHTML="<font color='red'>Please Enter Valid Email</font>";
		  error="true";
		}else{
		  document.getElementById('email_req').innerHTML="";    
    }
	 }

	 else
	  {
	    document.getElementById('email_req').innerHTML="";
	  }
	  
	    
	if(document.getElementById('comments').value=="")
	  {
   
	  document.getElementById('comments_req').innerHTML="<font color='red'>Please Enter Your Comments</font>";
		error="true";
		
	  }else{
	  document.getElementById('comments_req').innerHTML="";
    
    }
    
   if(document.getElementById('username').value=="")
	  {
    document.getElementById('req_name').innerHTML="<font color='red'>Please Enter Your Name</font>";
		error="true";
		}else{
     document.getElementById('req_name').innerHTML="";
    }
    
   
	  
	  
	  if(error=="true")
	  {
	    return false;
	  } 
	  else
	  {
	   return true;
	  }
 }