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_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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function jsOpenWindow(url) {
        var inHeight = eval(screen.availHeight - 100);
        var inWidth = eval(screen.availWidth - 200);
    newWind = window.open(url, "Detail", "width="+inWidth+",height="+inHeight+",status=yes,toolbar=no,menubar=no,scrollbars=yes,screenX=5,screenY=5,top=5,left=5");
    newWind.focus();
    }

// validates that the field value string has one or more characters in it
function isNotEmpty(elem) {
	var str = elem.value;
    var re = /.+/;
    if(!str.match(re)) {
        alert("Please fill in the required field.");
        setTimeout("focusElement('" + elem.form.name + "', '" + elem.name + "')", 0);
        return false;
    } else {
        return true;
    }
}
//validates that the entry is a positive or negative number
function isNumber(elem) {
	var str = elem.value;
    var re = /^[-]?\d*\.?\d*$/;
    str = str.toString();
    if (!str.match(re)) {
        alert("Enter only numbers into the field.");
        setTimeout("focusElement('" + elem.form.name + "', '" + elem.name + "')", 0);
        return false;
    }
    return true;
}
// validates that the entry is 16 characters long
function isLen16(elem) {
	var str = elem.value;
    var re = /\b.{16}\b/;
    if (!str.match(re)) {
        alert("Entry does not contain the required 16 characters.");
        setTimeout("focusElement('" + elem.form.name + "', '" + elem.name + "')", 0);
        return false;
    } else {
        return true;
    }
}
// validates that the entry is formatted as an e-mail address
function isEMailAddr(elem) {
	var str = elem.value;
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
        alert("Verify the e-mail address format.");
        setTimeout("focusElement('" + elem.form.name + "', '" + elem.name + "')", 0);
        return false;
    } else {
        return true;
    }
}
// validate that the user made a selection other than default
function isChosen(select) {
    if (select.selectedIndex == 0) {
        alert("Please make a choice from the list.");
        return false;
    } else {
        return true;
    }
}

// validate that the user has checked one of the radio buttons
function isValidRadio(radio) {
    var valid = false;
    for (var i = 0; i < radio.length; i++) {
        if (radio[i].checked) {
            return true;
        }
    }
    alert("Make a choice from the radio buttons.");
    return false;
}

function focusElement(formName, elemName) {
    var elem = document.forms[formName].elements[elemName];
    elem.focus();
    elem.select();
}

function validateMbrForm(form) {
	if (isNotEmpty(form.Fname)) {
		if (isNotEmpty(form.LName)) {
			if (isNotEmpty(form.Username)) {
				if (isNotEmpty(form.Password)) {
					if (isNotEmpty(form.PasswordConfirm)) {
						if (isNotEmpty(form.HomePhone)) {
							return true;
						}
					}
				}
			}
		}
	}
    return false;
}

function validateForm(form) {
	if (isNotEmpty(form.business_name)) {
		if (isNotEmpty(form.BusinessNature)) {
			if (isNotEmpty(form.address)) {
				if (isNotEmpty(form.city)) {
					if (isNotEmpty(form.state)) {
						if (isNotEmpty(form.zipcode)) {
							if (isNotEmpty(form.bus_phone)) {
								if (isNotEmpty(form.Emp_Name)) {
									if (isNotEmpty(form.job_title)) {
										if (isNotEmpty(form.email)) {
											if (isEMailAddr(form.email)) {
												if (isNotEmpty(form.phone)) {
													if (isNotEmpty(form.Bus_Income)) {
														if (isNotEmpty(form.Bus_Customers)) {
															if (isNotEmpty(form.Bus_Length)) {
																if (isNotEmpty(form.Bus_Computers)) {
																	if (isNotEmpty(form.Bus_Facility)) {
																		if (isNotEmpty(form.Survey_Ops)) {
																			if (isNotEmpty(form.Survey_Sales)) {
																				if (isNotEmpty(form.Survey_Community)) {
																				return true;
																				}
																			}
																		}
																	}
																}
															}
														}
													}
												}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}
    return false;
}

function handleEnter (field, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
			var i;
			for (i = 0; i < field.form.elements.length; i++)
				if (field == field.form.elements[i])
					break;
			i = (i + 1) % field.form.elements.length;
			field.form.elements[i].focus();
			return false;
		} 
		else
		return true;
	}      

function phonemask(t) {
var patt1 = /(\d{3}).*(\d{3}).*(\d{4})/;
var patt2 = /^\((\d{3})\).(\d{3})-(\d{4})$/;
var str = t.value;
var result;
	if (!str.match(patt2)){
		result = str.match(patt1);
		if (result!= null){
			t.value = t.value.replace(/[^\d]/gi,'');
			str = '(' + result[1] + ') ' + result[2] + '-' + result[3];
			t.value = str;
		} else {
			if (t.value.match(/[^\d]/gi))
				t.value = t.value.replace(/[^\d]/gi,'');
		}
	}
}