function switchVis(obj) {

    if (document.getElementById) { // DOM3 = IE5, NS6
        if(document.getElementById(obj).style.visibility == 'visible') {
            document.getElementById(obj).style.visibility = 'hidden';
            document.getElementById(obj).style.display = 'none';                       
        } else if(document.getElementById(obj).style.visibility == 'hidden') {
            document.getElementById(obj).style.visibility = 'visible';
            document.getElementById(obj).style.display = 'block';            
        } else {
            document.getElementById(obj).style.visibility = 'hidden';
            document.getElementById(obj).style.display = 'none';            
        }
    } else {
        if (document.layers) { // Netscape 4
            if(document.obj.visibility == 'visible') {
                document.obj.visibility = 'hidden';
                document.obj.display = 'none';                
            } else if(document.obj.visibility == 'hidden') {
                document.obj.visibility = 'visible';
                document.obj.display = 'block';                
            } else {
                document.obj.visibility = 'hidden';
                document.obj.display = 'none';           
            }
        } else { // IE 4
            if(document.all.obj.style.visibility == 'visible') {
                document.all.obj.style.visibility = 'hidden';
                document.all.obj.style.display = 'none';                
            } else if(document.all.obj.style.visibility == 'hidden') {
                document.all.obj.style.visibility = 'visible';
                document.all.obj.style.display = 'block';                

            } else {
                document.all.obj.style.visibility = 'hidden';
                document.all.obj.style.display = 'none';                

            }
        }
    }
}


function confirmSubmit(string,url)
{
    var agree=confirm(string);
    if (agree)
    	return true ;
    else
    	return false ;
}

function submitForm(formid,url){
    document.getElementById(formid).action = url;
    document.getElementById(formid).submit();
}