f7_droplayer=new Array()
      f7_droplayer[0]="drop1"
      f7_droplayer[1]="drop2"
      f7_droplayer[2]="drop3"
      f7_droplayer[3]="drop4"
      f7_droplayer[4]="drop5"
      f7_droplayer[5]="drop6"

      //simple browser check
      f7_ie=(document.all)?1:0
      f7_ns=(document.layers)?1:0
      f7_w3cdom=(document.getElementById)?1:0

        function f7_getmousepos(e){
        	if(f7_ns){f7_mousex=e.pageX; f7_mousey=e.pageY}
        	if(f7_ie){f7_mousex=event.clientX; f7_mousey=event.clientY;}
        	else if(f7_w3cdom){f7_mousex=e.x; f7_mousey=e.y}
        	}

        function f7_checkmousepos(i){
          f7_exist = false;
        	if(f7_ns){
            if (eval('document.'+f7_droplayer[i])){
              f7_exist = true;
          		f7_x_min=eval('document.'+f7_droplayer[i]+'.left')
          		f7_x_max=f7_x_min+eval('document.'+f7_droplayer[i]+'.clip.width')
          		f7_y_min=eval('document.'+f7_droplayer[i]+'.top')
          		f7_y_max=f7_y_min+eval('document.'+f7_droplayer[i]+'.clip.height')
              }
        		}
        	if(f7_ie){
            if (eval(f7_droplayer[i])){
              f7_exist = true;
          		f7_x_min=eval(f7_droplayer[i]+'.style.pixelLeft')
          		f7_x_max=f7_x_min+eval(f7_droplayer[i]+'.style.pixelWidth')
          		f7_y_min=eval(f7_droplayer[i]+'.style.pixelTop')
          		f7_y_max=f7_y_min+eval(f7_droplayer[i]+'.style.pixelHeight')
              }
        		}
        	if(f7_w3cdom){
            if (eval('document.getElementById("'+f7_droplayer[i]+'")')) {
              f7_exist = true;
          		f7_div=eval('document.getElementById("'+f7_droplayer[i]+'")')
          		f7_x_min=f7_div.style.pixelLeft
          		f7_x_max=f7_x_min+f7_div.style.pixelWidth
          		f7_y_min=f7_div.style.pixelTop
          		f7_y_max=f7_y_min+f7_div.style.pixelHeight
              }
        		}
          if (f7_exist==true){
          	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
         	}

      function f7_hideall(){
      	for(i=0;i<f7_droplayer.length;i++){
      		f7_hideit=0; f7_checkmousepos(i)
      		if(f7_ie && f7_keep!=i){
      			if(f7_hideit){ eval(f7_droplayer[i]+'.style.visibility="hidden"') }
      			}
      		if(f7_ns && f7_keep!=i){
      			if(f7_hideit){ eval('document.'+f7_droplayer[i]+'.visibility="hide"') }
      			}
      		if(f7_w3cdom && f7_keep!=i){
      			if(f7_hideit){ eval('document.getElementById("'+f7_droplayer[i]+'").style.visibility="hidden"') }
      			}
      		}
      	}

      function f7_showdrop(thelayer){
      	f7_keep=thelayer; f7_hideall(); f7_showitnow=1
      	f7_showit(thelayer)
      	}

      function f7_showit(thelayer){
      		if(f7_ie){ eval(f7_droplayer[thelayer]+'.style.visibility="visible"') }
      		if(f7_ns){ eval('document.'+f7_droplayer[thelayer]+'.visibility="show"');}
      		if(f7_w3cdom){
      			f7_div=eval('document.getElementById("'+f7_droplayer[thelayer]+'")')
      			if( f7_div.style.left == "0px" ) {
      				f7_anchor=eval('document.getElementById("'+f7_dropanchor[thelayer]+'")')
      				f7_div.style.left = f7_anchor.style.left;
      				f7_div.style.top = f7_anchor.style.top;
      			}
      			f7_div.style.visibility="visible"
      			}
      	}

      function f7_hidedrop(){
      	f7_keep=-1; setTimeout('f7_hideall()',500)
      	}

      f7_keep=-1



        //deal with cursor over layer
        document.onmousemove = f7_getmousepos
        if (f7_ns) document.captureEvents(Event.MOUSEMOVE)