// ---------------------------------------------------------------------
// Title: Form Validation Script.
// Author: Peter Tornstrand | <peter[at]tornstrand.com>
// File Name: focusForm.js
// File Dependants: include/contactForm.php, css/validate.css
// Date Created: 01/29/2001
// Last Modified: 04/20/2006 | Michael A. Karr
// ---------------------------------------------------------------------

function validateForm(frm, bolAlert) {
  var elem = frm.elements;
  // Loop all elements
  for (var i = 0; i < elem.length; ++i) {
    // If element is required see if it's filled in
    if (elem[i].name.indexOf("*") > 1) {
    // Text
      if (elem[i].type=="text") {
        if (elem[i].value=="") {
          elem[i].className = "text_err";
          if(bolAlert) alert("You must enter "+elem[i].name);
          elem[i].focus();		  
          return false;
        } else {
          elem[i].className = "text";
        }
      }
      else if (elem[i].type=="radio") {
      // Radio
        var radiogroup = elem[elem[i].name];
        var itemchecked = false;
        for(var j = 0 ; j < radiogroup.length ; ++j) {
          if(radiogroup[j].checked) {
            itemchecked = true;
            break;
          }
        }
      
        if(!itemchecked) { 
          if(bolAlert) alert("You must check one option for "+elem[i].name);
          if(elem[i].focus) elem[i].focus();
          return false;
        }
      }
      else if (elem[i].type=="checkbox") {
      // Checkbox
        var checkgroup = elem[elem[i].name];
        var itemchecked = false;
        for(var j = 0 ; j < checkgroup.length ; ++j) {
          if(checkgroup[j].checked) {
            itemchecked = true;
            break;
          }
        }
      
        if(!itemchecked) { 
          if(bolAlert) alert("You must check atleast one option for "+elem[i].name);
          if(elem[i].focus) elem[i].focus();
          return false;
        }
      }
      else if (elem[i].type=="textarea") {
      // Textarea
        if (elem[i].value=="") {
          elem[i].className = "textarea_err";
          if(bolAlert) alert("You must enter "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
          elem[i].className = "textarea";
        }
      }
      else if (elem[i].type=="select-one") {
      // Select-one
        if (elem[i].selectedIndex==0) {
          elem[i].className = "select_err";
          if(bolAlert) alert("You must choose "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
        	elem[i].className = "select";
        }
      }
      else if (elem[i].type=="select-multiple") {
      // Select-multiple
      	var optionselected = false;
      	for(var j=0;j<elem[i].options.length; ++j) {
      		if (elem[i].options[j].selected) {
      			optionselected = true;
      			break;
      		}
      	}
      	if (!optionselected) {
          elem[i].className = "select_err";
          if(bolAlert) alert("You must select at least one option for "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
        	elem[i].className = "select";
        }
      }
    }
  }
  return true;
}

function gotFocus(elem) {
	if (elem.className.indexOf("_err") < 0) {
		if (elem.type=="text") {
			elem.className = "text_focus";
		} else if (elem.type=="textarea") {
			elem.className = "textarea_focus";
		} else if (elem.type=="select-one") {
			elem.className = "select_focus";
		} else if (elem.type=="select-multiple") {
			elem.className = "select_focus";
		}
	}
}

function lostFocus(elem) {
	if (elem.className.indexOf("_err") < 0) {
		if (elem.type=="text") {
			elem.className = "text";
		} else if (elem.type=="textarea") {
			elem.className = "textarea";
		} else if (elem.type=="select-one") {
			elem.className = "select";
		} else if (elem.type=="select-multiple") {
			elem.className = "select";
		}
	}
}

// Additional Form Validation by MAK

// Newsletter signup requires an email address
	function newsletterCheck() {
		if (document.contactForm.newsletter.checked && document.contactForm.email.value == "") {
			alert("To signup for our newsletter, you must provide an email address!");
			document.contactForm.email.className = "text_err";
			document.contactForm.email.focus();
			return false;
		}
	}