function validateForm()
{
	var ref_txt_yourName = document.getElementById("txt_yourName");
	var ref_txt_yourEmail = document.getElementById("txt_yourEmail");
	var ref_txtarea_comments = document.getElementById("txtarea_comments");
	var regName = /^[a-z]+[a-z ]+$/i;
	var regEmail = /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+$/; ;
	var regComments = /^[a-z0-9]+.*$/;
	if(!ref_txt_yourName.value.match(regName))
	{
		alert("Please enter the valid Name e.g You can use only character a-z");
		ref_txt_yourName.focus();
		ref_txt_yourName.select();
		return false;
	}
	if(!ref_txt_yourEmail.value.match(regEmail))
	{
		alert("Please enter the valid Email Id e.g abc@abc.com");
		ref_txt_yourEmail.focus();
		ref_txt_yourEmail.select();
		return false;
	}
	if(!ref_txtarea_comments.value.match(regComments))
	{
		alert("Comments fields cannot be blank");
		ref_txtarea_comments.focus();
		ref_txtarea_comments.select();
		return false;
	}
	return true;
	
	
}