function showSample(objButton,objDiv)
{ 
    if(document.getElementById(objDiv).style.display=="inline")
    {
	    document.getElementById(objDiv).style.display="none";
	    document.getElementById(objButton).value="+";
    }
    else 
    {
	    document.getElementById(objDiv).style.display="inline";
	    document.getElementById(objButton).value="-";	
    }
} 
function showTab(obj1, obj2)
{
    document.getElementById(obj1).className = "selected";
    document.getElementById(obj2).style.display = "block";    
}
function hideTab(obj1, obj2)
{
    document.getElementById(obj1).className = "";
    document.getElementById(obj2).style.display = "none";	
}
function mangle(s1,s2) 
{ 
    location='mailto:'+s2+'@'+s1; 
}
function printPage() 
{
    if (window.print) 
    {
        printpage = confirm('Print this Page?');
        if (printpage) 
            window.print();
   }
}
function checkEmail(email)
{
    if 
    (
        (email.indexOf("@gmail.") != -1) ||
        (email.indexOf("@yahoo.") != -1) ||
        (email.indexOf("@hotmail.") != -1) ||
        (email.indexOf("@mailinator.") != -1) ||
        (email.indexOf("@rocketmail.") != -1) ||
        (email.indexOf("@googlemail.") != -1) ||
        (email.indexOf("@free.") != -1) ||
        (email.indexOf("@msn.") != -1) ||
        (email.indexOf("@rediffmail.") != -1)
    )
    {
        alert("Please use a corporate email address");
        return false;
    }
    return true;
}