// JavaScript Document
function isEmpty(aTextField)
{
	var re = /\s/g; //Match any white space including space, tab, form-feed, etc.
	RegExp.multiline = true; // IE support
	var str = aTextField.replace(re, "");
	if (str.length == 0) {
		return true;
	} 
	else {return false;}
}

function isEmail (theStr) 
{
	var atIndex = theStr.indexOf('@');
	var dotIndex = theStr.indexOf('.', atIndex);
	var flag = true;
	theSub = theStr.substring(0, dotIndex+1)
	if ((atIndex < 1)||(atIndex != theStr.lastIndexOf('@'))||(dotIndex < atIndex + 2)||(theStr.length <= theSub.length)) 
	{	 
		flag = false; 
	}
	else 
	{ 
		flag = true; 
	}
	return(flag);
}

function isInteger(s)
{
	var i;
	s = s.toString();
    for (i = 0; i < s.length; i++)
    {
    	var c = s.charAt(i);
        if (isNaN(c)) 
	   	{
			//alert("Please enter number only");
			return false;
	   	}
    }
    return true;
}

function show_results()
{
	var obj = document.search_frm;
	
	obj.member_text_search.value = "";
	obj.action = "member-search-results.php";
	obj.submit();
}

function validate_text_search()
{
	var obj = document.search_frm;
	
	if(isEmpty(obj.member_text_search.value))
	{
		alert("Enter some text to search from the members list");
		obj.member_text_search.focus();
	}
	else
	{
		obj.do_text_search.value = 'yes';
		obj.action = "member-search-results.php";
		obj.submit();
	}
}