function eraseme( reg, obj )
{
	var value = obj.value;
	if(value.indexOf(reg) != -1)
		obj.value = "";
}

function fo(n)
{
	return document.getElementById(n);
}

function isDate(d,m,y)
{
	var date = new Date();
	date.setDate(d);
	date.setMonth(m-1);
	date.setFullYear(y);

	return !(date.getDate() != d || date.getMonth() != m-1 || date.getFullYear() != y || y < 1910);
}

function validate()
{
	var mm = fo('mm').value;
	var dd = fo('dd').value;
	var yy = fo('yy').value;
	var blC=false;
		blC=((mm>=1)&&(mm<=12));
		blC=blC&&((dd>=1)&&(dd<=31))
		if(blC){
		if (isInt(yy)){					
		var userDate = new Date();
		var actualTime = userDate.getTime();
		userDate.setYear(yy);
		//userDate.setMonth(mm);
		//userDate.setDate(dd);
		
		/*657590400000 = 21 years*/
		
		if ((actualTime - userDate.getTime()) >= 657590400000)
		{
			document.location = "home.htm";
		}
		else
		{
			alert ("You must be 21 or older to access this site.");
		}
		}
		else
		{
			alert('You must be 21 years of age or older to enter this site.\nPlease enter your date of birth below to continue.');
		}
		}else alert('invalid date.');
}

function isInt( str ) { 
	 return !isNaN( parseInt ( str ) ); 
}