// JavaScript Document
// JavaScript Document
function showItems(itemsid) {
    var obj = document.getElementById(itemsid);
    if (obj.style.visibility == 'hidden') {
        obj.style.visibility = 'visible';
    }
}

function hideItems(itemsid) {  
    var obj = document.getElementById(itemsid);
    obj.style.visibility = 'hidden';
}

function handleEnter(fieldName, event) { 
    var keyCode = document.all ? event.keyCode : event.which; 
    if (keyCode == 13) { 
        if (( document.getElementById(fieldName).type == "button" ) || ( document.getElementById(fieldName).type == "submit" ) || ( document.getElementById(fieldName).type == "image" ))
        {
            document.getElementById(fieldName).click();
        } else {
            document.getElementById(fieldName).focus();
        }
    return false; 
    } else {
        return true; 
    } 
}

//        var prevOption = '';

        function ShowMenu(id) {
			var obj = document.getElementById(id);
			if (obj.style.display == '') {
				obj.style.display = 'none';
			} else
			{
				obj.style.display = '';
			}
        }
		
		function HideMenu(id) {
			document.getElementById(id).style.display = 'none';				
		}


function showStudyTooltip(TooltipName) {
	try {
		var objTT = document.getElementById(TooltipName);
		var objTD = document.getElementById(TooltipName + 'b');
		objTT.style.visibility='';
		objTT.style.left = objTD.offsetParent.offsetLeft + objTD.parentElement.offsetParent.offsetLeft;
		objTT.style.top = objTD.offsetParent.offsetTop + objTD.parentElement.offsetParent.offsetTop + objTD.offsetHeight + 6;
		if (objTD.offsetParent.offsetLeft + objTD.parentElement.offsetParent.offsetLeft > 310) {
			objTT.style.left = 310;
		}

	} catch (ex) {
		//nothing
	} 
}

function hideStudyTooltip(TooltipName) {
	try {
		var objTT = document.getElementById(TooltipName);
		objTT.style.visibility='hidden';
	} catch (ex) {
		//nothing
	} 
}

function showPassword() {
	document.getElementById('pass').style.display='';	
	document.getElementById('pass').focus();	
	document.getElementById('passDumy').style.display='none';	
}


function hidePassword() {
	var obj = document.getElementById('pass');
	if (obj.value == '') {
		obj.style.display='none';	
		document.getElementById('passDumy').style.display='';	
	}
}

function onUsuarioFocus(txt) {
	if (txt.value.toUpperCase() == 'USUARIO') {
		txt.value = '';	
	}
}

function onUsuarioBlur(txt) {
	if (txt.value == '') {
		txt.value = 'Usuario';	
	}
}