function initCheck()
{
		var d = this.checked=true;
		var df = ['DelCompName', 'DelName', 'DelTel', 'DelEmail', 'DelLine1', 'DelLine2', 'DelLine3', 'DelTown', 'DelRegion', 'DelCountry', 'DelPostcode'];
		var bf = ['BilCompName', 'BilName', 'BilTel', 'BilEmail', 'BilLine1', 'BilLine2', 'BilLine3', 'BilTown', 'BilRegion', 'BilCountry', 'BilPostcode'];
		for(i=0; i<df.length; i++)
		{
			if(d==true) document.getElementById(df[i]).value = document.getElementById(bf[i]).value;
			//document.getElementById(df[i]).readonly=d;
			//document.getElementById(df[i]).disabled=d;
		}
		this.checked = d;
}