function SlideLayer(ok){
var leer;
if(document.all){leer=document.all[ok];}
else if(document.getElementById){leer=document.getElementById(ok);}
else {return false;}
if(leer.style.display=="none"){leer.style.display="block";}

}

function SlideLayer1(ok){
var leer;
if(document.all){leer=document.all[ok];}
else if(document.getElementById){leer=document.getElementById(ok);}
else {return false;}
if(leer.style.display=="block"){leer.style.display="none";}

}

function SlideLayer2(yes){
var leer;
if(document.all){leer=document.all[yes];}
else if(document.getElementById){leer=document.getElementById(yes);}
else {return false;}
if(leer.style.display=="none"){leer.style.display="block";} 
}

function SlideLayer3(yes){
var leer;
if(document.all){leer=document.all[yes];}
else if(document.getElementById){leer=document.getElementById(yes);}
else {return false;}
if(leer.style.display=="block"){leer.style.display="none";} 

}

function SlideLayer4(ver){
var leer;
if(document.all){leer=document.all[ver];}
else if(document.getElementById){leer=document.getElementById(ver);}
else {return false;}
if(leer.style.display=="none"){leer.style.display="block";} 
}

function SlideLayer5(ver){
var leer;
if(document.all){leer=document.all[ver];}
else if(document.getElementById){leer=document.getElementById(ver);}
else {return false;}
if(leer.style.display=="block"){leer.style.display="none";} 
}

function openwin(c) {
myWin=window.open(c, 'top_', 'width=700, height=270, Directories=no, status=no, Location=no, toolbar=no, resizable=no, scrollbars=yes, menubar=no,top=0,left=220');
}