function validate(form){
	var check = new RegExp("://");
	var adrs = form["address"].value;
	var nullchk = adrs.match(check);
	
	if (nullchk == null){
		adrs = "http://"+adrs;
		document.form1.address.value=adrs;
	}else {return;}
	
	var clk = document.form1.clicks.value;
	var v = new RegExp();
	v.compile("^[A-Za-z]+://[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&\?\/.,~=]+$");
	if (!v.test(adrs)){
		alert("You must supply a valid destination URL.");
		return false;
	}
}