function hideShowMap()
{
 	var storemap 			= document.getElementById('storemap');
 	var marketMap 		= document.getElementById('marketMap'); 	
 	var hideMarketMap = document.getElementById('hideMarketMap'); 	 	
 	if(storemap.style.visibility == 'hidden')
 	{
 		marketMap.style.visibility 			= 'hidden';
 		hideMarketMap.style.visibility 	= 'visible'; 		
 		storemap.style.visibility 			= 'visible';
  }
  else
  {
 		marketMap.style.visibility 			= 'visible';
 		hideMarketMap.style.visibility 	= 'hidden'; 		  	
   	storemap.style.visibility 			= 'hidden';
	}
}