function poll(URL){
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=450,height=250,left = 250,top = 180');");
}
function clear_search(){
	if (document.search.searchbox.value == 'Enter Text') document.search.searchbox.value = '';
}
function validate_newsletter(){
    if(document.form.uname.value == ""  || document.form.uemail.value == ""){
        alert ( "Please Enter Your Name & Email First!" );
        return false;
    }
}
function validate_calc(){
    if(document.calc.weight.value == ""  || document.calc.height.value == ""){
        alert ( "Please Enter Your Height & Weight First!" );
        return false;
    }
}