//
// validate Email form
//
function validateEForm()
{
	// Registrant email
	//
	var emailID=document.EForm.email;
	if ((emailID.value==null)||(emailID.value==""))
	{
		alert("Please enter a valid email address");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false)
	{
		alert("Please enter a valid email address");
		emailID.focus();
		return false;
	}
	
	return true;
}

function alphanumeric(alphane)
{
	var numaric = alphane;
	for(var j=0; j<numaric.length; j++)
		{
		  var alphaa = numaric.charAt(j);
		  var hh = alphaa.charCodeAt(0);
		  if((hh > 47 && hh<59) || (hh > 64 && hh<91) || (hh > 96 && hh<123))
		  {
		  }
		else	{
			 return false;
		  }
		}
 return true;
}

//
// see if any checkboxes checked
//
function check_boxes(f)
{
var e, i = 0, checked = false;
while (e = f.elements[i++]) {if (e.type == 'checkbox' && e.checked) checked = true};
if (!checked) return false;
return true;
}

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
function echeck(str) {

		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   return false;
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false;
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false;
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    return false;
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false;
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    return false;
		 }
		 if (str.indexOf(" ")!=-1){
		    return false;
		 }
 		 return true;					
}
//  Validate Radio Button
function valRadio(rname)
{
    var cnt = -1;
    for (var ii=rname.length-1; ii > -1; ii--)
	{
        if (rname[ii].checked)
		{	cnt = ii; ii = -1;
		}
    }
    if (cnt > -1)
	{	return rname[cnt].value;
	}
    else 
	{	return false;
	}
}

function getElementValue(formElement)
{
	if(formElement.length != null) var type = formElement[0].type;
	if((typeof(type) == 'undefined') || (type == 0)) var type = formElement.type;

	switch(type)
	{
		case 'undefined': return;

		case 'radio':
			for(var x=0; x < formElement.length; x++) 
				if(formElement[x].checked == true)
			return formElement[x].value;

		case 'select-multiple':
			var myArray = new Array();
			for(var x=0; x < formElement.length; x++) 
				if(formElement[x].selected == true)
					myArray[myArray.length] = formElement[x].value;
			return myArray;

		case 'checkbox': return formElement.checked;
	
		default: return formElement.value;
	}
}