var br=document.all?'ie':(document.getElementById?'dom':(document.layers?'ns':''))
function menu(d,iter) {


	for (i=0;i<=iter;i++){
    	_d = 'div'+i
        el = (br == 'ie')?document.all[_d].style.visibility:document.getElementById(_d).style.visibility
	    if (el == 'visible'){
        if(br=='ie'){
	    document.all[_d].style.visibility='hidden'
	    document.all[_d].style.display='none'
        }
	    if (br == 'dom'){
	    document.getElementById(_d).style.visibility='hidden'
	    document.getElementById(_d).style.display='none'
	    }
        }else{
	    if(br == 'ie'){
	    document.all[_d].style.visibility='visible'
	    document.all[_d].style.display='inline'
	    }
	    if (br == 'dom'){
	    document.getElementById(_d).style.visibility='visible'
	    document.getElementById(_d).style.display='inline'
	    }
        }

    }
	for (i=0;i<=iter;i++){
    	_d = 'div'+i
        el = (br == 'ie')?document.all[_d].style.visibility:document.getElementById(_d).style.visibility
        if (_d == d) continue
	        if (el == 'visible'){
	                    if(br=='ie'){
	        document.all[_d].style.visibility='hidden'
	        document.all[_d].style.display='none'
	        }
	        else{
	        document.getElementById(_d).style.visibility='hidden'
	        document.getElementById(_d).style.display='none'
	        }
        }

    }
};

function dd(d) {
	d = 'ld'+d
    el = (br == 'ie')?document.all[d].style.visibility:document.getElementById(d).style.visibility
    if (el == 'visible'){
	    if(br=='ie'){
		    document.all[d].style.visibility='hidden'
		    document.all[d].style.display='none'
	    }
	    if (br=='dom'){
		    document.getElementById(d).style.visibility='hidden'
		    document.getElementById(d).style.display='none'
	    }
    }else{
	    if(br=='ie'){
		    document.all[d].style.visibility='visible'
		    document.all[d].style.display='inline'
	    }
	    if (br=='dom'){
		    document.getElementById(d).style.visibility='visible'
		    document.getElementById(d).style.display='inline'
	    }
	}
}

function show_laeyr(layer){
	        if(br=='ie'){
	        document.all[layer].style.visibility='visible'
	        document.all[layer].style.display='inline'
	        }
	        else{
	        document.getElementById(layer).style.visibility='visible'
	        document.getElementById(layer).style.display='inline'
	        }
}
function vis(cur,f){
if(f==0)
cur.filters.alpha.opacity=80
else
cur.filters.alpha.opacity=30
}