// JavaScript Document

// javascript for property page

function setrating(classn, num)
{
	var rating = document.getElementById('newrating');
	var newclass = 'rating '+classn;
	
	rating.className = newclass;
	
	var field = document.getElementById('rev_rating');
	field.value = num;
}

function validate()
{
	if(document.getElementById('rev_author').value == "" || document.getElementById('rev_text').value == "" || document.getElementById('rev_rating').value == "")
	{
		alert('Please ensure all fields are filled in');
		return false;
	}
	else
	{
		document.getElementById('reviewform').submit();
	}
}

function roundNumber(num, dec) {
	var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
	return result;
}
// big mutherfunction

function changePrices(currency)
{
	// sterling £
	// euro €
	// dollar $
	
	//var current = document.getElementById('currentrate');
	//var curr_cur = current.innerHTML;
	var new_cur = currency;
	var show,hide;
	
	show = currency;
	
	switch(currency)
	{
		case 'sterling' : 
			symbol = '£';
			break;
		case 'dollar' :
			symbol = '$';
			break;
		case 'euro' :
			symbol = '€';
			break;
	}
	
//	switch(curr_cur)
	//{
//		case '£' : 
			hide1 = 'sterling';
		//	break;
	//	case '$' :
			hide2 = 'dollar';
//			break;
	//	case '€' :
			hide3 = 'euro';
		//	break;
//	}
	
	document.getElementById('link_sterling').className = '';
	document.getElementById('link_dollar').className = '';
	document.getElementById('link_euro').className = '';
	document.getElementById('link_'+currency).className = 'current';
	//current.innerHTML = symbol;
	//current.style.color = '#444';
	
	show = getElementsByClassName(document, 'span', show);
	hide1 = getElementsByClassName(document, 'span', hide1);
	hide2 = getElementsByClassName(document, 'span', hide2);
	hide3 = getElementsByClassName(document, 'span', hide3);
	
	for(var i = 0; i < show.length; i++)
	{
		hide1[i].style.display = 'none';
		hide3[i].style.display = 'none';
		hide2[i].style.display = 'none';
		show[i].style.display = 'inline';
	}
	
}

/*
	Written by Jonathan Snook, http://www.snook.ca/jonathan
	Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}