function show( id , linkedObj, x , y ) {
		var container = document.getElementById( id );
		
		if ( linkedObj ) {
			
			var position = findPos( linkedObj );
			var currentContainerPositionLeft = position[0];
			if ( x ) {
				currentContainerPositionLeft = currentContainerPositionLeft + x;
			}
			var currentContainerPositionTop = position[1];
			if ( y ) {
				currentContainerPositionTop = currentContainerPositionTop + y;
			}
			container.style.left = currentContainerPositionLeft + "px";
			container.style.top = currentContainerPositionTop + "px";
		}
		container.style.display="";
	}
	function hide( id ) {
		document.getElementById( id ).style.display="none";
		
	}
	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 currentOpacityId = 0;

function decreaseOpacity() {
	if ( currentOpacityId <= 5 ) {
		document.getElementById("all").className="opacity"+currentOpacityId;
		currentOpacityId = currentOpacityId + 1;
		setTimeout("decreaseOpacity()" , 1);
	}
}