function CheckAll(c)
{
var i,a; 
    for (i=0; (a = document.getElementsByTagName("input")[i]); i++) 
    { 
        if(a.getAttribute("id")&&a.getAttribute("id").indexOf(c)!= -1)
        { 
            a.checked=true;
        } 
    }
}

function show(c) { 

if (document.getElementById && document.getElementById(c)!= null) 

document.getElementById(c).style.display=''; 

else if (document.layers && document.layers[c]!= null) 

document.layers[c].display = ''; 

else if (document.all) 

document.all[c].style.display = ''; 

} 

function hide(c) { 

if (document.getElementById && document.getElementById(c)!= null) 

document.getElementById(c).style.display='none'; 

else if (document.layers && document.layers[c]!= null) 

document.layers[c].display = 'none'; 

else if (document.all) 

document.all[c].style.display = 'none'; 

}