//Copyright (c) 2000-2005 EIBS Ltd. All Rights Reserved.

function setFocus(form, fieldName) {
	document.forms[form][fieldName].select();
	document.forms[form][fieldName].focus();
	return true;
}

function validateSelect(form, fieldName) {
	var idx = document.forms[form][fieldName].selectedIndex;
	var str = document.forms[form][fieldName].options[idx].value;
	if (str == "") {
		form[fieldName].focus();
		return false;
	} else {
		return true;
	}
}

function validateFilled(form, fieldName) {
	var str = document.forms[form][fieldName].value;
	if ((str == "")) {
		setFocus(form, fieldName)
		return false;
	} else {
		return true;
	}
}

function validateWeb(form, fieldName, requiredStatus) {
	var str = document.forms[form][fieldName].value;
		
	// Return false if field is blank.
	if ( (requiredStatus != "Optional") && !validateFilled(form, fieldName)) {
		setFocus(form, fieldName);
		return false;
	}
	if (validateFilled(form, fieldName) && (str.indexOf('http://',0) != -1)) {
		setFocus(form, fieldName)
		return false;
	} else {
		return true;
	}
}

function validateNumber(form, fieldName, requiredStatus) {
	var str = document.forms[form][fieldName].value;
	// Return false if number field is blank.
	if ((requiredStatus != "Optional") && !validateFilled(form, fieldName)) {
		setFocus(form, fieldName);
		return false;
	}
	
	// Return false if characters are not '0-9' . 
	for (var i = 0; i < str.length; i++) {
		var ch = str.substring(i, i + 1);
		if (( validateFilled(form, fieldName)) && (ch < "0" || "9" < ch)) {
			setFocus(form, fieldName)
			return false
		}
	}
	return true;
}


function validateEmail(form, fieldName, requiredStatus) {
	var str = document.forms[form][fieldName].value;

	// Return false if field is blank.
	if ((requiredStatus != "Optional") && !validateFilled(form, fieldName)) {
		setFocus(form, fieldName);
		return false;
	}
	if (validateFilled(form, fieldName) &&	 (str.indexOf('@',0) == -1)) {
		setFocus(form, fieldName)
		return false;
	} else {
		return true;
	}
}
 
 
function validateCurrency(form, fieldName, requiredStatus) {
	var str = document.forms[form][fieldName].value;
	
	// Return false if number field is blank or '.'.
	if ((!validateFilled(form, fieldName) || (str == ".")) && (requiredStatus != "Optional")) {
		setFocus(form, fieldName);
		return false;
	}
	
	// Return false if characters are not '0-9' or '.' . 
	if (validateFilled(form, fieldName)) {
		var dotCount = 0; 
		var strLength = str.length;
		for (var i = 0; i < strLength; i++) {
			var ch = str.substring(i, i + 1);
			if (((ch < "0") || (ch > "9")) && (ch != ".")) {
				setFocus(form, fieldName);
				return false
			}
			if (ch == ".") {
				dotCount++;
			}
			if (dotCount > 1) {
				setFocus(form, fieldName);
				return false
			}
		}
	}
	return true;
}

function validateDate(form, fieldName, requiredStatus) {
	var str = document.forms[form][fieldName].value;
	retVal = 1;
	
	// Return false if field is blank.
	if ((requiredStatus != "Optional") && !validateFilled(form, fieldName)) {
		setFocus(form, fieldName);
		return false;
	} 
	
	if (!(str.length == 0)) {
		// Return false if characters are not in date format . 
		retVal = 1
		for (var i = 0; i < str.length; i++) {
			var ch = str.substring(i, i + 1);
			
			if (i == 2 || i == 5) {
				if (ch != "/") {
					var retVal = 0;
				}
			} else {
				if ((ch < "0") || (ch > "9")) {
					var retVal = 0;
				}
			}
		}
		if (i != 10) {
			var retVal = 0;
		}
		
		if (retVal)	{
			var dateDay = eval(str.substring( 0, 2))
			var dateMonth = eval(str.substring( 3, 5)) - 1
			var dateYear = eval(str.substring( 6, 10))
			
			newDate = new Date(dateYear, dateMonth, dateDay)
			
			var newDay = newDate.getDate()
			var newMonth = newDate.getMonth()
			
			var newYear = newDate.getYear()
			if (newYear < 1900)	{
				 newYear = newYear + 1900
			}
			
			if ((newDay != dateDay) || (newMonth != dateMonth) || (newYear != dateYear)) {
				var retVal = 0;
			}
		}
	}
	
	if (!retVal) {
		setFocus(form, fieldName);
	}
	return retVal;
}

function validateFile(form, fieldName, permitedExt, requiredStatus) {
	var str 		= document.forms[form][fieldName].value;
	str 			= str.toLowerCase();
	var strLength 	= str.length;
	permitedExt		= permitedExt.toLowerCase();
	
	// Return false if field is blank.
	if ((requiredStatus != "Optional") && !validateFilled(form, fieldName)) {
		setFocus(form, fieldName);
		return false;
	}
	
	if (validateFilled(form, fieldName)) {
		var dotPosition = str.lastIndexOf(".") + 1;
		var fileExt 	= str.substring(dotPosition,strLength);
		
		if (permitedExt.indexOf(fileExt) != (-1)) {
			return true;
		} else {
			setFocus(form, fieldName);
			return false;
		}
	} else {
		return true;
	}
}

function validateSearch(form) {
	var valStatus = true;
    if (!validateFilled(form, "SearchBox")) {
		alert("Please include text in the search box");
        valStatus =  false;
    }
    if (valStatus) {
        document.forms[form].submit();
    }
}
function NewWindow(Page, Form) {
    var objWindow = window.open(Page + '&OrderRef=' + document.forms[Form].OrderRef.value, "OrderStatus", "width=360,height=560,scrollbars=1");
    if (navigator.userAgent.substring(0,9) == "Mozilla/4") {
        objWindow.focus();
    }
}
function OpenNewsletter(Page) {
    var objWindow = window.open(Page, "Newsletter", "width=250,height=300,scrollbars=0");
    if (navigator.userAgent.substring(0,9) == "Mozilla/4") {
        objWindow.focus();
    }
}
function OpenStatusNoRef(Page) {
    var objWindow = window.open(Page, "OrderStatus", "width=360,height=560,scrollbars=1");
    if (navigator.userAgent.substring(0,9) == "Mozilla/4") {
        objWindow.focus();
    }
}