function show_hide_switch(clq)
{
	if ( (document.getElementById(clq).style.display)==("block") )
	{
		document.getElementById(clq).style.display="none";
	}
	else
	{
		document.getElementById(clq).style.display="block";
	}
}



function show(clq)
{
	document.getElementById(clq).style.display="block";
}
function hide(clq)
{
	document.getElementById(clq).style.display="none";
}
function $(id)
{
	return document.getElementById(id);
}
function validate(address) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(address) == false) {
      //alert('Invalid Email Address');
      return false;
   }
}
function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}