// JavaScript Document

function top_in(img_name,img_src) {
document[img_name].src='images/nav/'+img_src+'_o.gif';
		}

	
function top_out(img_name,img_src) {
	document[img_name].src='images/nav/'+img_src+'.gif';

		}
		
	
	 
/* Contact Us Form ------------------ */
function validContact(contactForm) {
	
	 	
	if (contactForm.firstname.value == '') {
		alert("Please enter your first name");
		contactForm.firstname.focus();
		return false;
	}
	if (contactForm.firstname.value == 'First Name'){
		alert("Please enter your Full Name");
		contactForm.firstname.focus();
		return false;
	}
	
	if (contactForm.surname.value == '') {
		alert("Please enter your surname");
		contactForm.surname.focus();
		return false;
	}
	if (contactForm.surname.value == 'Surname'){
		alert("Please enter your Full Name");
		contactForm.surname.focus();
		return false;
	}
	
	if (contactForm.emailAddr.value == '') {
		alert("Please enter your email address");
		contactForm.emailAddr.focus();
		return false;
	}
	if (contactForm.emailAddr.value == 'Email') {
		alert("Please enter your email address");
		contactForm.emailAddr.focus();
		return false;
	}
	
	if (!validEmail(contactForm.emailAddr.value)) {
		contactForm.emailAddr.focus();
		return false;
	}
	
	if (contactForm.telephone.value == '') {
		alert("Please enter your telephone");
		contactForm.telephone.focus();
		return false;
	}
	
	if (contactForm.telephone.value == 'Telephone') {
		alert("Please enter your telephone");
		contactForm.telephone.focus();
		return false;
	}
	
	if (contactForm.message.value == 'Message') {
		alert("Please enter your message");
		contactForm.message.innerHTML='';
		contactForm.message.focus();
		return false;
	}
	
	 

	 
 
	
	
	return true;
	
}

 

 
 

// checks for valid telephone characters
function validNum(telno) {
	
	var pattern = "0123456789+-)(. ";
	var i = 0;
	
	do {
		var pos = 0;
		for ( var j = 0 ; j < pattern.length ; j++ )
			if ( telno.charAt(i) == pattern.charAt(j) )
				pos = 1;
		i++;
	}
	while ( pos == 1 && i < telno.length )
	
	if ( pos == 0 ) return false;
	
	return true;
}



// check email address pattern
function validEmail(addr) {
	
	var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
	
	if ( !regex.test(addr) ) {
		alert("Invalid email address");
		return false;
	}
	
	return true;
}

// validation for Send to Friend
function val_send_to_friend(contactForm) {
	if (!validEmail(contactForm.addr.value)) {
		contactForm.addr.value = '';
		contactForm.addr.focus();
		return false;
	}
	return true;
}
 
 
 
  

	/************************************************************************************************************

	(C) www.dhtmlgoodies.com, October 2005

	

	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

	

	Updated:	

		March, 11th, 2006 - Fixed positioning of tooltip when displayed near the right edge of the browser.

		April, 6th 2006, Using iframe in IE in order to make the tooltip cover select boxes.

		

	Terms of use:

	You are free to use this script as long as the copyright message is kept intact. However, you may not

	redistribute, sell or repost it without our permission.

	

	Thank you!

	

	www.dhtmlgoodies.com

	Alf Magne Kalleland

	

	************************************************************************************************************/	

	var dhtmlgoodies_tooltip = false;

	var dhtmlgoodies_tooltipShadow = false;

	var dhtmlgoodies_shadowSize = 0;

	var dhtmlgoodies_tooltipMaxWidth = 250;

	var dhtmlgoodies_tooltipMinWidth = 100;

	var dhtmlgoodies_iframe = false;

	var tooltip_is_msie = (navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('opera')==-1 && document.all)?true:false;

	function showTooltip(e,tooltipTxt)

	{

		

		var bodyWidth = Math.max(document.body.clientWidth,document.documentElement.clientWidth) - 20;

	

		if(!dhtmlgoodies_tooltip){

			dhtmlgoodies_tooltip = document.createElement('DIV');

			dhtmlgoodies_tooltip.id = 'dhtmlgoodies_tooltip';

			dhtmlgoodies_tooltipShadow = document.createElement('DIV');

			dhtmlgoodies_tooltipShadow.id = 'dhtmlgoodies_tooltipShadow';

			

			document.body.appendChild(dhtmlgoodies_tooltip);

			document.body.appendChild(dhtmlgoodies_tooltipShadow);	

			

			if(tooltip_is_msie){

				dhtmlgoodies_iframe = document.createElement('IFRAME');

				dhtmlgoodies_iframe.frameborder='5';

				dhtmlgoodies_iframe.style.backgroundColor='#FFFFFF';

				dhtmlgoodies_iframe.src = '#'; 	

				dhtmlgoodies_iframe.style.zIndex = 100;

				dhtmlgoodies_iframe.style.position = 'absolute';

				document.body.appendChild(dhtmlgoodies_iframe);

			}

			

		}

		

		dhtmlgoodies_tooltip.style.display='block';

		dhtmlgoodies_tooltipShadow.style.display='block';

		if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='block';

		

		var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);

		if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0; 

		var leftPos = e.clientX + 10;

		

		dhtmlgoodies_tooltip.style.width = null;	// Reset style width if it's set 

		dhtmlgoodies_tooltip.innerHTML = tooltipTxt;

		dhtmlgoodies_tooltip.style.left = leftPos + 'px';

		dhtmlgoodies_tooltip.style.top = e.clientY + 10 + st + 'px';



		

		dhtmlgoodies_tooltipShadow.style.left =  leftPos + dhtmlgoodies_shadowSize + 'px';

		dhtmlgoodies_tooltipShadow.style.top = e.clientY + 10 + st + dhtmlgoodies_shadowSize + 'px';

		

		if(dhtmlgoodies_tooltip.offsetWidth>dhtmlgoodies_tooltipMaxWidth){	/* Exceeding max width of tooltip ? */

			dhtmlgoodies_tooltip.style.width = dhtmlgoodies_tooltipMaxWidth + 'px';

		}

		

		var tooltipWidth = dhtmlgoodies_tooltip.offsetWidth;		

		if(tooltipWidth<dhtmlgoodies_tooltipMinWidth)tooltipWidth = dhtmlgoodies_tooltipMinWidth;

		

		

		dhtmlgoodies_tooltip.style.width = tooltipWidth + 'px';

		dhtmlgoodies_tooltipShadow.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';

		dhtmlgoodies_tooltipShadow.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';		

		

		if((leftPos + tooltipWidth)>bodyWidth){

			dhtmlgoodies_tooltip.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth)) + 'px';

			dhtmlgoodies_tooltipShadow.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth) + dhtmlgoodies_shadowSize) + 'px';

		}

		

		if(tooltip_is_msie){

			dhtmlgoodies_iframe.style.left = dhtmlgoodies_tooltip.style.left;

			dhtmlgoodies_iframe.style.top = dhtmlgoodies_tooltip.style.top;

			dhtmlgoodies_iframe.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';

			dhtmlgoodies_iframe.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';

		

		}

				

	}

	

	function hideTooltip()

	{

		dhtmlgoodies_tooltip.style.display='none';

		dhtmlgoodies_tooltipShadow.style.display='none';		

		if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='none';		

	}