//validate comment entry form data.

//to validate an email address
function isEmail(obj)
	{
		var str=obj.value;
		var a;
		var len=str.length;
		var reg=new RegExp("@");
		var ind=str.search(reg);
		var c,d=0;
		var b=0;
		for(a=0;a<=str.length;a++)
		{
	
			if(str.charAt(a)=="@")
			{
				b++;
			}
			
		}
	
		if(b>1)
			{
				alert("Email Address is not valid.");
				obj.focus();
				return false;
			}
		else
			{
				for(a=0;a<=str.length;a++)
				{
					if(str.charAt(a)==".")
					{
						d=a;
					}
				
				}
				if((ind>d)||(ind==-1)||(d==0)||(ind+1==d)||(d+1==len))
				{
					alert ("Email Address is not valid.");
					obj.focus();
					return false;
				}
				else
				{
					return true;
				}
			}
		
						
}//function end vaild enmail
	
function checkCommentFrm(objFrm){
	if(objFrm.author.value == ""){
		alert("Please enter your name!");
		objFrm.author.focus();
		return false;		
	}
	if(objFrm.email.value == ""){
		alert("Please enter your Email address!");
		objFrm.email.focus();
		return false;		
	}else if (!isEmail( objFrm.email )) {
		//alert ('Please enter valid Email address.');
		objFrm.email.focus();
		return false;			
	}
	if(objFrm.comment.value == ""){
		alert("Please enter your comment!");
		objFrm.comment.focus();
		return false;		
	}
	
	
	
}

function AdmincheckCommentFrm(objFrm){
	if(objFrm.comment.value == ""){
		alert("Please enter your comment!");
		objFrm.comment.focus();
		return false;		
	}
}// JavaScript Document