f7_ie=(ie5||ie6)?1:0
		f7_ns=(ns4)?1:0
		
		//code for drops
		
		function f7_showdrop(thelayer,theimage,newsrc){
		 f7_keep=thelayer; f7_hideall(); checkpos=0; f7_showitnow=1
		 f7_showit(thelayer,theimage,newsrc)
		 }
		
		function f7_showit(thelayer){
		 if(f7_ie){ eval(f7_droplayer[thelayer][0]+'.style.visibility="visible"') }
		 if(f7_ns){ eval('document.'+f7_droplayer[thelayer][0]+'.visibility="show"');}
		 document.images[f7_droplayer[thelayer][1]].src=f7_droplayer[thelayer][3]
		 }
		
		//
		// THIS ALSO SETS THE TIMEOUT DELAY
		//
		function f7_hidedrop(){
		 f7_keep=-1; checkpos=1; setTimeout('f7_hideall()',500)
		 }
		
		f7_keep=-1
		
		function f7_hideall(){
		 for(i=0;i<f7_droplayer.length;i++){ 
		  if(f7_ie && f7_keep!=i){ 
			eval(f7_droplayer[i][0]+'.style.visibility="hidden"')
			document.images[f7_droplayer[i][1]].src=f7_droplayer[i][2]
		  }
		  if(f7_ns){
			f7_hideit=0; f7_checkmousepos(i)
			if(f7_hideit){ 
			 eval('document.'+f7_droplayer[i][0]+'.visibility="hide"')
			 document.images[f7_droplayer[i][1]].src=f7_droplayer[i][2]
			}
		  }
		  if(!f7_ns && !f7_ie && f7_keep!=i){ 
			document.images[f7_droplayer[i][1]].src=f7_droplayer[i][2]
			}
		  }
		 }
		
		//deal with cursor over layer for ns
		
		if(f7_ns){
		 document.onmousemove = f7_getmousepos
		 document.captureEvents(Event.MOUSEMOVE)
		 }
		
		function f7_getmousepos(e){
		 if(f7_ns){f7_mousex=e.pageX; f7_mousey=e.pageY}
		 }
		
		checkpos=0
		
		function f7_checkmousepos(i){          
		 if(f7_ns && checkpos){     
		  f7_x_min=eval('document.'+f7_droplayer[i][0]+'.left')
		  f7_x_max=f7_x_min+eval('document.'+f7_droplayer[i][0]+'.clip.width')
		  f7_y_min=eval('document.'+f7_droplayer[i][0]+'.top')
		  f7_y_max=f7_y_min+eval('document.'+f7_droplayer[i][0]+'.clip.height')
		  if (f7_mousex>=f7_x_min && f7_mousex<=f7_x_max && f7_mousey>=f7_y_min && f7_mousey<=f7_y_max){
			f7_hideit=0; setTimeout('f7_hideall()',500)
			}
		  else { f7_hideit=1 }
		  return f7_hideit
		 }    
		}