function rollover(a){a.src=a.src.replace(/.gif/,'-over.gif')}

function rollover2(a){a.src=a.src.replace(/-over.gif/,'.gif')}

function MM_swapImgRestore() 
	{ //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}

function MM_preloadImages() 
	{ //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}

function MM_findObj(n, d)
	{ //v4.0
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && document.getElementById) x=document.getElementById(n); return x;
	}

function MM_swapImage()
	{ //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}
	
function Form_Validator(fm)
	{
	mt=false
	checker(fm.from_name,'You must enter your first name')
	email(fm.from_email)
	if(mt==false)fm.submit()
	}	
	
function checker(obj,msg)
	{if(obj.value=="" && mt==false){alert(msg);mt=true;obj.focus();}}

function email(obj)
	{
	var emailStr=obj.value;var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)!£$%^&*()+='#~?<>@,;:\\\\\\\"\\.\\[\\]";var validChars="\[^\\s" + specialChars + "\]";var quotedUser="(\"[^\"]*\")";var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+';var word="(" + atom + "|" + quotedUser + ")";var userPat=new RegExp("^" + word + "(\\." + word + ")*$");var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");var matchArray=emailStr.match(emailPat)
	if ((matchArray==null) && mt==false){alert("Email address seems incorrect (check @ and .'s)");mt=true;obj.focus()}
	if (mt==false){var user=matchArray [1];var domain=matchArray [2];if (user.match(userPat)==null){alert("The username doesn't seem to be valid.");mt=true;obj.focus()}}
	if (mt==false){var IPArray=domain.match(ipDomainPat);if (IPArray!=null){for (var j=1;j<=4;j++){if (IPArray[j]>255){alert("Destination IP address is invalid!");mt=true;obj.focus()}}}}
	if (mt==false){var domainArray=domain.match(domainPat);if (domainArray==null){alert("The domain name doesn't seem to be valid.");mt=true;obj.focus()}}
	if (mt==false){var atomPat=new RegExp(atom,"g");var domArr=domain.match(atomPat);var len=domArr.length;if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4){alert("The address must end in a two,three or four letter domain");mt=true;obj.focus()}}
	if ((len<2) && mt==false){alert("This address is missing a hostname!");mt=true;obj.focus()};
	}