function mOvr(src,clrOver) {
    if (!src.contains(event.fromElement)) {
	  src.style.cursor = 'hand';
	  src.bgColor = clrOver;
	}
}
  
function mOut(src,clrIn) {
	if (!src.contains(event.toElement)) {
	  src.style.cursor = 'default';
	  src.bgColor = clrIn;
	}
}
  
function mClk(src) {
    if(event.srcElement.tagName=='TD'){
	  src.children.tags('A')[0].click();
    }
}

function isNull(form, element) {

	if (eval("document." + form + "." + element + ".value") == "") {
		alert( element + " it can't be null");
		eval("document." + form + "." + element + ".focus()");
		return true;
	}
	return false;
}

function isEmail(form, element) {
	email = eval("document."+ form + "." + element + ".value");
	
	if (email.indexOf("@") == -1 || email.indexOf(".") == -1) {
		alert(element + " isn't an e-mail address");
		eval("document." + form + "." + element + ".focus()");
		return false;
	}
	return true;
}

function isNumeric(form, element) {
	if (isNaN(parseInt(eval("document." + form + "." + element + ".value"))) == true) {
		alert(element + " it can be a number only");
		eval("document." + form + "." + element + ".focus()");
		return false;
	}
	return true;
}

// SE VALIDA EL REGISTRO DE MAQUILAS, ZONAS FRANCAS Y PROVEEDORES
function validContactInfo(formName) {
	
	if(isNull(formName, 'empresa') == false && isNull(formName, 'contacto') == false && isNull(formName,'productos') == false)
		eval("document." + formName + ".submit()");
}