function doField(what,ortext) {
if (what.value==ortext) {
what.value=''
}
else if (what.value=='') {
what.value=ortext;
}
}

// check multi checkboxes based on the name passed in.
function CheckMultiple(name) 
{
theFrm = document.frmSS;
for (var i=0; i < theFrm.length; i++) 
{
fldObj = theFrm.elements[i];
var fieldnamecheck=fldObj.name.indexOf(name);
if (fieldnamecheck != -1) {
if (fldObj.checked) {
return true;
}
}
}
return false;
}


function CheckSS()
{
theFrm = document.frmSS;

hasDot = theFrm.Email.value.indexOf(".");
hasAt = theFrm.Email.value.indexOf("@");

if (hasDot == -1 || hasAt == -1)
{
alert("Please enter a valid email address.");
theFrm.Email.focus();
theFrm.Email.select();
return false;
}


return true;
}





function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\\\s)"+searchClass+"(\\\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}


function checkEnquiry() {
	
    if (document.enquiry_form.fullname.value=='' || document.enquiry_form.enquiry.value=='' || isValidEmail(document.enquiry_form.email.value)==false) {
    	
    	
    	alert('Please ensure you have entered your name, enquiry and a valid email address.');
    
    	return false;
    	
    	 
    } else {
    	
    
    return true;
    
    }

	
}



function isValidEmail(str) {

   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
 


}


/*

	Image Cross Fade Redux

	Version 1.0

	Last revision: 02.15.2006

	steve@slayeroffice.com



	Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html

*/



window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);



var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;



function so_init()

{

	if(!d.getElementById || !d.createElement)return;



	css = d.createElement('link');

	css.setAttribute('href','slideshow2.css');

	css.setAttribute('rel','stylesheet');

	css.setAttribute('type','text/css');

	d.getElementsByTagName('head')[0].appendChild(css);



	imgs = d.getElementById('rotator').getElementsByTagName('img');

	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;

	imgs[0].style.display = 'block';

	imgs[0].xOpacity = .99;



	setTimeout(so_xfade,3000);

}



function so_xfade()

{

	cOpacity = imgs[current].xOpacity;

	nIndex = imgs[current+1]?current+1:0;

	nOpacity = imgs[nIndex].xOpacity;



	cOpacity-=.05;

	nOpacity+=.05;



	imgs[nIndex].style.display = 'block';

	imgs[current].xOpacity = cOpacity;

	imgs[nIndex].xOpacity = nOpacity;



	setOpacity(imgs[current]);

	setOpacity(imgs[nIndex]);



	if(cOpacity<=0)

	{

		imgs[current].style.display = 'none';

		current = nIndex;

		setTimeout(so_xfade,3000);

	}

	else

	{

		setTimeout(so_xfade,50);

	}



	function setOpacity(obj)

	{

		if(obj.xOpacity>.99)

		{

			obj.xOpacity = .99;

			return;

		}



		obj.style.opacity = obj.xOpacity;

		obj.style.MozOpacity = obj.xOpacity;

		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';

	}

}