function menuDrop (prefix , xC, yC)
{
	var navID = prefix + '_drop';
	var parentID =  prefix + '_box';
	var selWidth = 0;
	if (document.getElementById(navID).style.display == 'none' || document.getElementById(navID).style.display == '')
	{
		xy = findPos(document.getElementById(parentID));
		menu_left = xy[0] + xC;
		menu_top = xy[1] + yC;	
		can_hide[navID] = false;
		document.getElementById(navID).style.top = menu_top + 'px';
		document.getElementById(navID).style.left = menu_left + 'px';
		document.getElementById(navID).style.display = 'block';
		if (document.getElementById(navID).style.width < document.getElementById(navID).scrollWidth)
		{
			selWidth = document.getElementById(navID).scrollWidth;
			document.getElementById(navID).style.width = (selWidth + 22) + 'px';
		}
	}else{
		can_hide[navID] = false;
		document.getElementById(navID).style.display = 'none';
	}
}
function menuValue(prefix, value, intval)
{
	if (value != '')
	{
		document.getElementById(prefix+'_name').innerHTML = value;
		document.getElementById(prefix+'_drop').style.display = 'none';
		document.dateForm[prefix].value=intval;
	}
}
function menuValueU(prefix, value, intval, formName, fldname)
{
	if (value != '')
	{
		document.getElementById(prefix+'_name').innerHTML = value;
		document.getElementById(prefix+'_drop').style.display = 'none';
		document.forms[formName][fldname].value=intval;
	}
}
function menuValueSearch(prefix, value)
{
	if (value != '')
	{
		//alert(prefix+'_name');
		document.getElementById(prefix+'_name').innerHTML = value;
		document.getElementById(prefix+'_drop').style.display = 'none';
		document.sForm.section.value=value;
	}
}
function findPos(obj)
{
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

var can_hide = new Array();
var delay=1000;

function showNav(navID, is_show)
{
	if (is_show){
		can_hide[navID] = false;
	}else{
		can_hide[navID] = true;
		setTimeout('hideNav(\''+navID+'\')',delay);
	}
}
function hideNav(navID)
{
	navObj=document.getElementById(navID);
	if(can_hide[navID])navObj.style.display='none';
}
function checkSearch(){
	if((document.sForm.kw.value=='Start Search')||(document.sForm.kw.value=='')){
		alert('Please enter keyword');
		return false;
	}else{
		return true;
	}
}