function setLoading(showhide){
	e=$("imagesloading");
	
	if(showhide==1){
		e.style.display='block';
		e.style.visibility='visible';
	}else{
		e.style.display='none';
		e.style.visibility='hidden';
	}
}


function largeImage(url, style){
	var windowWidth=0;
	var leftPos=0;
	var width=0;
	var height=0;
	var topPos=0;
	
	topPos=findPosTop();

	if(topPos<240){
		topPos=240;
	}else{
		topPos=topPos+20;
	}

	g=$("contentInner");
	leftPos=findPosX(g);
	
	e=$("largeImage");
	e.style.display='block';
	e.style.top = topPos + 'px';
	
	e.innerHTML='<a href="" onclick="largeImageClose(); return false" onkeypress="largeImageClose(); return false" title="Click to close"><img src="' + url + '" alt="Click to close" /></a>';
}

function findPosTop(){
	if (window.innerHeight){
		pos = window.pageYOffset
	}else if (document.documentElement && document.documentElement.scrollTop){
		pos = document.documentElement.scrollTop
	}else if (document.body){
		pos = document.body.scrollTop
	}
	
	return pos;
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj){
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function checkForm(theForm){
	if(theForm.id=='contactForm'){
		var checkThese=new Array(
			'enq_name|Your name',
			'enq_email|Your email address',
			'enq_enquiry|Your enquiry'
		);
	
	}else if(theForm.id=='guestbookForm'){
		var checkThese=new Array(
			'enq_name|Your name',
			'enq_email|Your email address',
			'enq_enquiry|Your comments'
		);
	
	}
	return checkLoop(checkThese);
}

function checkLoop(checkTheseArray){
	
	var alertBg = "#c27804";
	var okBg = "#DCDCDC";
	var elementType;
	var elementName;
	var elementDefault;
	var elementValue;
	var elementObject;
	var valuesArray;

	var email_regex = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/;
	for (var loop=0;loop<checkTheseArray.length;loop++){
		valuesArray=checkTheseArray[loop].split("|");
		
		elementObject=$(valuesArray[0]);
		elementDefault=valuesArray[1];

		elementType=elementObject.type;
		elementName=elementObject.name.toLowerCase();
		elementValue=elementObject.value;
		
		if((elementValue==""||elementValue==elementDefault)&&(elementType=="text" || elementType=="password")){
			elementObject.style.background = alertBg;
			elementObject.focus();
			return false;
		}else if((elementValue==""||elementValue==elementDefault)&&(elementType=="textarea")){
			elementObject.style.background = alertBg;
			elementObject.focus();
			return false;
		}else if((elementType=="select-one")&&(elementObject.options[elementObject.selectedIndex].value)==elementDefault){
			elementObject.style.background = alertBg;
			elementObject.focus();
			return false;
		}else if((elementName.toLowerCase().match("email"))&&(elementType=="text")&&(!email_regex.test(elementValue))){
			elementObject.style.background = alertBg;
			elementObject.focus();
			return false;
		}else if((elementObject.checked==false)&&(elementType=="checkbox")){
			elementObject.style.background = alertBg;
			elementObject.focus();
			return false;
		}else{
			if(elementType=="checkbox"){
				elementObject.style.background = "";
			}else{
				elementObject.style.background = okBg;
			}
		}
	}
	$("submit").disabled='true';
	return true;
}