docObj = (document.layers) ?
                         'document' : 'document.all'; 

                         styleObj = (document.layers) ? ''
                         : '.style';

                         function popUp(evt,currElem) {

                         if (document.layers || document.all) { 

                         dom = eval(docObj + '.' + currElem + styleObj); state =  dom.visibility;

                         if (state == "visible" || state == "show")
				 { dom.visibility =  "hidden"; }

                         else {
                         if (document.layers) { 
                         topVal = eval(evt.pageY + 20); 
                         leftVal = eval(evt.pageX - 55);
                         }

                         if (document.all) { 
                         topVal = eval(event.y + 20);
                         leftVal = eval(event.x - 55); }

                         if(leftVal < 2) { leftVal = 2; } 

                         dom.top = topVal; dom.left =
                         leftVal; dom.visibility =
                         "visible"; 
                         }
                         }
                         }