function KeyFilter(type)
{
	var berr=false;

	switch(type)
	{
		case 'date':
			if (!(event.keyCode == 45 || event.keyCode == 47 || (event.keyCode>=48 && event.keyCode<=57)))
				berr=true;
			break;
		case 'number':
			if (!(event.keyCode>=48 && event.keyCode<=57))
				berr=true;
			break;
		case 'cy':
			if (!(event.keyCode == 46 || (event.keyCode>=48 && event.keyCode<=57)))
				berr=true;
			break;
		case 'long':
			if (!(event.keyCode == 45 || (event.keyCode>=48 && event.keyCode<=57)))
				berr=true;
			break;
		case 'double':
			if (!(event.keyCode == 45 || event.keyCode == 46 || (event.keyCode>=48 && event.keyCode<=57)))
				berr=true;
			break;
		default:
			if (event.keyCode == 35 || event.keyCode == 37 || event.keyCode==38)
				berr=true;
	}
	return !berr;
}

function getParentFromSrc(src,parTag)
{
	if(src && src.tagName!=parTag)
		src=getParentFromSrc(src.parentElement,parTag);
	return src;
}

function getOffsetLeft(src){
	var set=0;
	if(src)
	{
		if (src.offsetParent)
			set+=src.offsetLeft+getOffsetLeft(src.offsetParent);
		
		if(src.tagName!="BODY")
		{
			var x=parseInt(src.scrollLeft,10);
			if(!isNaN(x))
				set-=x;
		}
	}
	return set;
}

function getOffsetTop(src){
	var set=0;
	if(src)
	{
		if (src.offsetParent)
			set+=src.offsetTop+getOffsetTop(src.offsetParent);
		
		if(src.tagName!="BODY")
		{
			var y=parseInt(src.scrollTop,10);
			if(!isNaN(y))
				set-=y;
		}
	}
	return set;
}