function checkrequired( formName, action)
{
	var pass=0, box=0, theForm = document.forms[formName], tempobj, emailfield;	
	
	for (i=0; i < theForm.length; i++)
	{
		tempobj=theForm.elements[i];
		if (tempobj.name.substring(0,1) == "*")
		{
			if (tempobj.name.toLowerCase().indexOf("email") != -1 || tempobj.name.toLowerCase().indexOf("e-mail") != -1)
			{
				emailfield = tempobj;
			}
			if (((tempobj.type=="text"||tempobj.type=="textarea"||tempobj.type=="hidden")&&
			    tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
			    tempobj.selectedIndex==0))
	        {
				tempobj.style.border = "1px solid red";
				pass=1;
				break;
            }
            else
			{
				tempobj.style.border = "1px solid #fff";
			}
        } 
	}	
	if (pass==1) {
	    tempobj.focus();		
		alert("Please make sure the " + tempobj.name.substring(1).toUpperCase() + " field is properly filled in.");			 
	} else {
		if (emailCheck(emailfield))
		{	    
			if (action == '')
			{
				return true;
			}
			else
			{
				theForm.action = action;
				theForm.submit();
			}
		}		
	}	
}

function clearField( field)
{
    if (field.name == "*" + field.value.toLowerCase() || field.value.indexOf("Your Email Address") >= 0 || field.name == field.value.toLowerCase())
    {
        field.value = '';
    }
}

function emailCheck(thisControl)
{
	var emailStr = thisControl.value;
	
	if (emailStr != "") {
		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)
		{
			alert("Email address seems incorrect (check @ and .'s)");
			thisControl.focus();
	  	    thisControl.style.border = "1px solid red";
			return false;
		}
		var user=matchArray[1];
		var domain=matchArray[2];
	
		if (user.match(userPat)==null)
		{
			alert("The username doesn't seem to be valid.");
			thisControl.focus();
	  	    	thisControl.style.border = "1px solid red";
			return false;
		}
	
		var IPArray=domain.match(ipDomainPat);
		if (IPArray!=null)
		{
			for (var i=1;i<=4;i++)
			{
				if (IPArray[i]>255)
				{
					alert("Destination IP address is invalid.");
					thisControl.focus();
	  	            thisControl.style.border = "1px solid red";
			        return false;
				}
			}
			return true
		}
	
		var domainArray=domain.match(domainPat);
		if (domainArray==null)
		{
			alert("The domain name doesn't seem to be valid.");
			thisControl.focus();
	  	    thisControl.style.border = "1px solid red";
			return 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>3)
		{
			alert("The address must end in a three-letter domain, or two letter country.");
			thisControl.focus();
	  	    thisControl.style.border = "1px solid red";
			return false;
		}
	
		if (len<2)
		{			
			alert("This address is missing a hostname.");
			thisControl.focus();
	  	    thisControl.style.border = "1px solid red";
			return false;
		}
		return true;
	} else {
		return false;
	}
}