function getElementY(element) { 
	var targetTop = 0; 
		if (element.offsetParent) { 
			while (element.offsetParent) { 
				targetTop += element.offsetTop; element = element.offsetParent; 
			} 
		} else if (element.y) { 
			targetTop += element.y; 
		} 
	return targetTop; 
}
	
function getElementX(element) { 
	var targetLeft = 0; 
		if (element.offsetParent) { 
			while (element.offsetParent) { 
				targetLeft += element.offsetLeft; element = element.offsetParent;
			} 
		} else if (element.x) { 
			targetLeft += element.x; 
		} 
	return targetLeft; 
} 


function showSpan(elem, id) {
	var span=document.getElementById(id); 
         
	var elemx = getElementX(elem);
	var elemy = getElementY(elem);
       

 
	if (elemx < 460) {
		span.style.left=(elemx+75)+'px'; 
		span.style.top=(elemy-89)+'px';
	} else {
		span.style.left=(elemx-305)+'px'; 
		span.style.top=(elemy-89)+'px';
	}
         	
         span.style.display='block';
         
  
         
}