function validation(form)
{
	var first_name=form['first_name'];
	var last_name=form['last_name'];
	var community=form['community'];
/*	var street_name=form['street_name'];
	var building_number=form['building_number'];
	var city=form['city'];
	var state=form['state'];
	var zip_code=form['zip'];*/
	var phone=form['phone'];
//	var fax=form['fax'];
	var email=form['e_mail'];
	var comments=form['comments'];
	if(first_name.value==""){
		alert("Please specify a First Name.");
		first_name.focus();
		return false;
	}
	else if(!isString(first_name.value)) {
		alert("Please specify a valid First Name.");		
		first_name.focus();
		return false;
	}
	if(last_name.value==""){
		alert("Please specify a Last Name.");		
		last_name.focus();
		return false;
	}
	else if(!isString(last_name.value)) {
		alert("Please specify a valid Last Name.");		
		last_name.focus();
		return false;
	}
	else if(last_name.value.length<3)
	{
		alert("Last name should be minimum three characters.");		
		last_name.focus();
		return false;
	}

	/*if(community.value==""){
			alert("Please specify Appartment Community.");		
			community.focus();
			return false;
	}
	else if(!isDesc(community.value))
	{
		alert("Please specify valid Appartment Community.");		
		community.focus();
		return false;
	}
	
	if(street_name.value==""){
			alert("Please specify Appartment Number.");		
			street_name.focus();
			return false;
	}

	
	if(building_number.value==""){
		alert("Please specify valid Bluiging Number.");		
		building_number.focus();
		return false;
	}
	if(city.value==""){
		alert("Please specify City.");		
		city.focus();
		return false;
	}
	else if(!isString(city.value))
	{
		alert("Please specify valid City.");		
		city.focus();
		return false;	
	}
	if(state.value==""){
		alert("Please specify State.");		
		state.focus();
		return false;
	}
	if(zip_code.value==""){
		alert("Please specify Zip Code.");		
		zip_code.focus();
		return false;
	}
	else if(!isPhone(zip_code.value))
	{
		alert("Please specify valid Zip Code.");		
		zip_code.focus();
		return false;
	}
	if(phone.value==""){
		alert("Please specify Phone Number.");		
		phone.focus();
		return false;
	}
	else if(!isPhone(phone.value))
	{
		alert("Please specify a valid Phone Number.");		
		phone.focus();
		return false;
	}*/
	/*if(fax.value==""){
		alert("Please specify Fax Number.");		
		fax.focus();
		return false;
	}
	else if(!isPhone(fax.value))
	{
		alert("Please specify a valid Fax Number.");		
		fax.focus();
		return false;
	}*/
	if(email.value=="")
	{
		alert("Please specify E-mail.");		
		email.focus();
		return false;
	}
	else if(!isEmail(email.value))
	{
		alert("Please specify a valid E-mail.");		
		email.focus();
		return false;
	}

	/*if(comments.value=="")
	{
		alert("Please specify Comments.");
		comments.focus();
		return false;
	}
	else if(!isDesc(comments.value))
	{
		alert("Please specify valid Comments.");
		comments.focus();
		return false;
	}*/
	return true;

}
function isPassword(password)
{
		if(password.length<6)
			return false;
		for(var i=0;i<password.length;i++){
			if(password.charAt(i)==" ")
				return false;
		}
		return true;
}

function isAge(age)
{
	var temp="";
	
	for(var i=1;i<age.length;i++)
	{
			temp=age.charAt(i);
			if(!(temp>="0" && temp<="9"))
				return false;
	}
	return true;
}	
function isPhone(phone)
{
	var temp="";
	for(var i=0;i<phone.length;i++)
	{
			temp=phone.charAt(i);
			if(!(temp>="0" && temp<="9"))
				return false;
	}
	return true;
}	
function isString(str)
{
	patternname=/^[a-zA-Z]+$/;
	if(patternname.test(str))
	{
		return true;
	}
	else
	{
		return false;	
	}
	/*var temp;
	for(var i=0;i<str.length;i++)
	{
		if(!isLetter(str.charAt(i)))
			return false;
							   
	}
	return true;*/
}
function view_detail(val)
{
	if(val!="")
	{
		viewdetail.innerHTML="<a href=\"javascript: popUp('view_details.php?id=" + val + "')\" class='link1'>(View Detail)</a>";	
	}
	else
	{
		viewdetail.innerHTML="";
	}
}
function isDesc(desc)
{
	var patternDesc=/^([a-zA-Z0-9]+)/;
	return patternDesc.test(desc);
}