// JavaScript Document
function changeimg(_element,_path)
{
	var element = _element;
	var path = _path;
	element.src = path;
}
function validate_required(field,validator)
{
	var valid = document.getElementById(validator);
	with (field)
  	{
  		if (value==null||value=="")
		{
			valid.style.visibility = "visible";
			valid.innerHTML = " *";
			return false;
		}
  		else
		{
			valid.style.visibility = "hidden";
			valid.innerHTML = "";
			return true;
		}
  	}
}
function validate_similar(field,field2,validator)
{
	var valid = document.getElementById(validator);
	var pass = document.getElementById(field);
	var pass2 = document.getElementById(field2);
	if(pass.value != pass2.value)
  	{
		valid.style.visibility = "visible";
		valid.innerHTML = " * Check passwords";
		return false;
  	}
	else
	{
		valid.style.visibility = "hidden";
		valid.innerHTML = "";
		return true;
	}
}
function validate_email(field,validator)
{
	var valid = document.getElementById(validator);
	with (field)
  	{
	  	apos=value.indexOf("@");
	  	dotpos=value.lastIndexOf(".");
  		if (apos<1||dotpos-apos<2)
    	{
			valid.style.visibility = "visible";
			valid.innerHTML = " * Invalid Email";
			return false;
		}
  		else 
		{
			valid.style.visibility = "hidden";
			valid.innerHTML = "";
			return true;
		}
  	}
}
function validatecomments(thisform)
{
	var valid = true;
	
	with (thisform)
  	{
  	    if (validate_required(comment,"commentvalid")==false)
  		{
	  		comment.focus();
			valid = false;
  		}
		if (validate_required(author,"authorvalid")==false)
  		{
	  		author.focus();
			valid = false;
  		}
	}
	return valid;
}