function loadCategory(lngCategoryID)
{
	location.href = "content.asp?id=" + lngCategoryID;
}

/*
	Validate a form's elements according to varius attributes.
*/
function validateForm(form, title, submit, validclass, invalidclass)
{
	var i, j, u, sum;
	var input;
	var valid;
	var sErrorMsg = "";

	if (invalidclass)
	{
		for (i=0; i<document.styleSheets(0).rules.length; i++)
			if (document.styleSheets(0).rules.item(i).selectorText.toLowerCase() == "." + invalidclass.toLowerCase())
			{
				invalidclass = document.styleSheets(0).rules.item(i).style;
				break;
			}
	}

	for (i=0; i<form.elements.length; i++)
	{
		input = form.elements[i];
		// skip input when it's not rendered (ie. parent display:none)
		if (input.offsetHeight == 0) continue;
		valid = true;

		// Validate value according to element type and validation type
		switch (input.type.toLowerCase())
		{
		case "text":
		case "password":
		case "textarea":
		case "file":
			if (!input.validation) continue;
			if (input.mandatory)
			{
				if (input.mandatory.toLowerCase() == "false" && input.value.length == 0) continue;
			}
			else
			{
				continue;
			}
			switch (input.validation.toLowerCase())
			{
			case "string":
				if (input.value.length == 0)
				{
					valid = false;
				}
				break;
			case "password":
				if (input.value.length == 0)
				{
					valid = false;
				}
				break;
			case "integer":
				if (!/\d+/.test(input.value))
				{
					valid = false;
				}
				break;
			case "email":
				if (!/^[\w\.\-]+@[\w\-]+(\.\w+)+$/.test(input.value))
				{
					valid = false;
				}
				break;
			case "phone":
				if (!/^\+?\d+(-\d+)*$/.test(input.value))
				{
					valid = false;
				}
				break;
			case "id":
				j = input.value.toString();
				input.value = j.replace(/\D/g, "");
				if (/\d+/.test(input.value))
				{
					sum = 0;
					for (j=0; j<input.value.length; j++)
					{
						u = (j % 2 ? 2 : 1) * parseInt(input.value.charAt(input.value.length - j - 1));
						sum += u > 9 ? Math.floor(u / 10) + u % 10 : u;
					}
					if (sum % 10) valid = false;
				}
				else
				{
					valid = false;
				}
				break;
			case "compare":
				// Check the compareInput attribute
				if (input.compareInput)
					if (input.value != form.elements[input.compareInput].value)
						valid = false;
			}

			// Validate max and min according to validation type
			if (valid == true)
			{
				switch (input.validation.toLowerCase())
				{
				case "integer":
					if (input.validmax)
					{
						if (parseInt(input.value) > parseInt(input.validmax))
							valid = false;
					}
					if (input.validmin)
					{
						if (parseInt(input.value) < parseInt(input.validmin))
							valid = false;
					}
					break;
				default:
					if (input.validmax)
					{
						if (input.value.length > input.validmax) valid = false;
					}
					if (input.validmin)
					{
						if (input.value.length < input.validmin) valid = false;
					}
					break;
				}
			}
			break;
		case "select-one":
			if (input.mandatory)
			{
				if (input.selectedIndex == 0) valid = false;
			}
			break;
		case "select-multiple":
			sum = 0;
			for (j=0; j<input.options.length; j++)
			{
				if (input.options[j].selected) sum++;
			}
			if ((!input.validmax) && (!input.validmin))
			{
				if (sum == 0) valid = false;
			}
			else
			{
				if (input.validmax)
				{
					if (sum > input.validmax) valid = false;
				}
				if (input.validmin)
				{
					if (sum < input.validmin) valid = false;
				}
			}
			break;
		case "checkbox":
			if (input.mandatory)
			{
				if (!input.checked) valid = false;
			}
			break;
		}

		if (!valid)
		{
			if (input.validationError)
			{
				sErrorMsg += input.validationError + "\n";
			}
			else
			{
				sErrorMsg += "Error in field " + input.name + "\n";
			}
			if (invalidclass)
			{
				if (typeof(input.originalColor) == "undefined") input.originalColor = input.style.color;
				if (typeof(input.originalBackgoundColor) == "undefined") input.originalBackgoundColor = input.style.backgroundColor;
				input.style.color = invalidclass.color;
				input.style.backgroundColor = invalidclass.backgroundColor;
			}
		}
		else
		{
			if (typeof(input.originalColor) != "undefined") input.style.color = input.originalColor;
			if (typeof(input.originalBackgoundColor) != "undefined") input.style.backgroundColor = input.originalBackgoundColor;
		}
	}
	if (sErrorMsg.length)
	{
		alert(title + "\n" + sErrorMsg);
		return(false);
	}
	else
	{
		if (submit)
		{
			form.submit();
		}
		return(true);
	}
}

function change1(){
document.all.a.style.color="white";
}
function rback1(){
document.all.a.style.color="#0a68aa";
}
function change2(){
document.all.b.style.color="white";
}
function rback2(){
document.all.b.style.color="#0a68aa";
}
function change3(){
document.all.c.style.color="white";
}
function rback3(){
document.all.c.style.color="#0a68aa";
}function change4(){
document.all.d.style.color="white";
}
function rback4(){
document.all.d.style.color="#0a68aa";
}
function change5(){
document.all.e.style.color="white";
}
function rback5(){
document.all.e.style.color="#0a68aa";
}
function change6(){
document.all.f.style.color="white";
}
function rback6(){
document.all.f.style.color="#0a68aa";
}
function change7(){
document.all.g.style.color="white";
}
function rback7(){
document.all.g.style.color="#0a68aa";
}
function change8(){
document.all.h.style.color="white";
}
function rback8(){
document.all.h.style.color="#0a68aa";
}
function change9(){
document.all.i.style.color="white";
}
function rback9(){
document.all.i.style.color="#0a68aa";
}
function change10(){
document.all.j.style.color="white";
}
function rback10(){
document.all.j.style.color="#0a68aa";
}
function change11(){
document.all.k.style.color="white";
}
function rback11(){
document.all.k.style.color="#0a68aa";
}
function change12(){
document.all.l.style.color="white";
}
function rback12(){
document.all.l.style.color="#0a68aa";
}
function change13(){
document.all.m.style.color="white";
}
function rback13(){
document.all.m.style.color="#0a68aa";
}
function change14(){
document.all.n.style.color="white";
}
function rback14(){
document.all.n.style.color="#0a68aa";
}
function change15(){
document.all.o.style.color="white";
}
function rback15(){
document.all.o.style.color="#0a68aa";
}
function change16(){
document.all.p.style.color="white";
}
function rback16(){
document.all.p.style.color="#0a68aa";
}
function change17(){
document.all.g.style.color="white";
}
function rback17(){
document.all.g.style.color="#0a68aa";
}
function change18(){
document.all.z.style.color="white";
}
function rback18(){
document.all.z.style.color="#0a68aa";
}
function change19(){
document.all.y.style.color="white";
}
function rback19(){
document.all.y.style.color="#0a68aa";
}
function change20(){
document.all.x.style.color="white";
}
function rback20(){
document.all.x.style.color="#0a68aa";
}
function submits(){
document.form1.submit();
}