function ValidateRequiredField(Field, FieldDisplayName){
	//alert('debug ' + Field + ":" + FieldDisplayName);
	if(Field.value.replace(/[\s]+/g, "").length == 0){
		Errors = Errors + "<nobr>Please fill in required information [" + FieldDisplayName + "]</nobr>\n";
		Field.focus();
		IsValid = false;
	}
}
function ValidateRequiredEmailField(Field, FieldDisplayName){
	if(!ValidEmail(Field.value)){
		Errors = Errors + "<nobr>Please enter [" + FieldDisplayName + "]</nobr>\n";
		Field.focus();
		IsValid = false;
	}
}
function ValidateRequiredHiddenField(Field, FieldDisplayName){
	if(Field.value.replace(/[\s]+/g, "").length == 0){
		Errors = Errors + "<nobr>Please fill in required information [" + FieldDisplayName + "]</nobr>\n";
		IsValid = false;
	}
}
function ValidateRequiredListField(Field, FieldDisplayName){
	if(Field[Field.selectedIndex].value.length == 0){
		Errors = Errors + "<nobr>Please select required option [" + FieldDisplayName + "]</nobr>\n";
		Field.focus();
		IsValid = false;
	}
}
function ValidateRequiredDateField(Field, FieldDisplayName){
	//if(Field.value.replace(/[\s]+/g, "").replace("/", "").length == 0 || Field.value == "1000-01-01"){
	if(Field.value == "1000-01-01" || Field.value == ""){
		Errors = Errors + "<nobr>Please fill in required information [" + FieldDisplayName + "]</nobr>\n";
		//Field.focus();
		IsValid = false;
	}
}

function ShowErrorMessage(DivSourceID){
    var oDivSource = document.getElementById(DivSourceID);
    var oDivTarget = document.getElementById("divErrorDisplay");
	
    if(oDivTarget.style.visibility=="hidden"){
	    oDivTarget.innerHTML = oDivSource.innerHTML;
	    oDivTarget.style.visibility = "visible";
    }else{
	    oDivTarget.style.visibility = "hidden";
	    oDivTarget.innerHTML = "";
    }
}

	function IsInteger(e, TextBox){

	if(window.event){
	  if(isNaN(String.fromCharCode(e.keyCode)) || e.keyCode == 32){
	   event.e = 0;
	   return false;
	  }else{
	   return true;
	  }
		}else{
			keychar = String.fromCharCode(e.which);
			numcheck = /\d/;
			return numcheck.test(keychar); 
		}
	}
		
	function IsNumber(e, TextBox){
	var retval;
	if(window.event){
	  if(e.keyCode == 45 || e.keyCode == 46){
	   // 45=-, 46=.
	   retval = true;
	  }

	  if(!retval){
	   /*e.keyCode == 32 is white space */
	   if(isNaN(String.fromCharCode(e.keyCode)) || e.keyCode == 32){
		event.e = 0;
		retval = false;
	   }else{
		retval = true;
	   }
	  }
	}else{
		if(e.which == 8 || e.which == 0 || e.which == 45 || e.which == 46){
			/*allow delete and back/forward cursor move*/
			retval = true;
		}else{
			keychar = String.fromCharCode(e.which);
			numcheck = /\d/;
			retval = numcheck.test(keychar); 
		}
	}
	return retval;
	}

function ValidEmail(Email){
    var re = new RegExp("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");
    return re.test(Email);
}

function PopUpLink(Url, Title, Width, Height){
	window.open(Url, Title, 'menubar=0,resizeable=1,scrollbars=1,width=' + Width + ',height=' + Height);
}

function ConfirmDelete(){
		return confirm("Delete this item?\nNote that this action can not be undone!");
	}
	
function ConfirmCancel(){
    return confirm("Cancel changes and close this page?");
}