function changeimg(var1,var2) {
var3 = "../../library/images/layout/forms/" + var2
if (document.images)
{
document.images[var1].src = var3;
}
}

function IsNumeric(sText)
{
var ValidChars = "0123456789.";
var IsNumber=true;
var Char;
 
for (i = 0; i < sText.length && IsNumber == true; i++) 
{ 
Char = sText.charAt(i); 
if (ValidChars.indexOf(Char) == -1) 
{
IsNumber = false;
}
}

if (sText.length==0)
{
IsNumber = false;
}

return IsNumber;
   
}

function isEmailAddr(email)
{
var result = false
var theStr = new String(email)
var index = theStr.indexOf("@");
if (index > 0)
{
var pindex = theStr.indexOf(".",index);
if ((pindex > index+1) && (theStr.length > pindex+1))
result = true;
}
return result;
}

function formatCurrency(strValue)
{
	strValue = strValue.toString().replace(/\$|\,/g,'');
	dblValue = parseFloat(strValue);

	blnSign = (dblValue == (dblValue = Math.abs(dblValue)));
	dblValue = Math.floor(dblValue*100+0.50000000001);
	intCents = dblValue%100;
	strCents = intCents.toString();
	dblValue = Math.floor(dblValue/100).toString();
	if(intCents<10)
		strCents = "0" + strCents;
	for (var i = 0; i < Math.floor((dblValue.length-(1+i))/3); i++)
		dblValue = dblValue.substring(0,dblValue.length-(4*i+3))+','+
		dblValue.substring(dblValue.length-(4*i+3));
	return (((blnSign)?'':'-') + '£' + dblValue + '.' + strCents);
}

function checkCounty(){
if (document.getElementById('uForm').qcountry.options[1].selected == false)
{
document.getElementById('uForm').qcounty.options[1].selected = true; 
}
return;
}

function checkSearchForm() {
if (document.getElementById('usForm').name.value==''){
alert('Please enter the name of restaurant');
document.getElementById('usForm').name.focus();
return;
}
document.getElementById('usForm').submit();
}