function td_bg(){

	if (document.getElementById('color_field'))
	{
		var td_color = document.getElementById('color_field').value; 
		if (td_color == ''){
			document.getElementById('color_field').value = '#ffffff';
			td_color = "#ffffff";
		};
			document.getElementById("color_td").style.backgroundColor = td_color;
	}
	
	if (document.getElementById('color_field1'))
	{
	
		var td_color1 = document.getElementById('color_field1').value; 
		if (td_color1 == ''){
			document.getElementById('color_field1').value = '#ffffff';
			td_color1 = "#ffffff";
		};
			document.getElementById("color_td1").style.backgroundColor = td_color1;
	
	}
	
	if (document.getElementById('color_field2'))
	{
	
		var td_color2 = document.getElementById('color_field2').value; 
		if (td_color2 == ''){
			document.getElementById('color_field2').value = '#ffffff';
			td_color2 = "#ffffff";
		};
			document.getElementById("color_td2").style.backgroundColor = td_color2;
	
	}
	
	if (document.getElementById('color_field3'))
	{
	
		var td_color3 = document.getElementById('color_field3').value; 
		if (td_color3 == ''){
			document.getElementById('color_field3').value = '#ffffff';
			td_color3 = "#ffffff";
		};
			document.getElementById("color_td3").style.backgroundColor = td_color3;
	
	}
	
	if (document.getElementById('color_field4'))
	{
	
		var td_color4 = document.getElementById('color_field4').value; 
		if (td_color4 == ''){
			document.getElementById('color_field4').value = '#ffffff';
			td_color4 = "#ffffff";
		};
			document.getElementById("color_td4").style.backgroundColor = td_color4;
	
	}
	
	if (document.getElementById('color_field5'))
	{
	
		var td_color5 = document.getElementById('color_field5').value; 
		if (td_color5 == ''){
			document.getElementById('color_field5').value = '#ffffff';
			td_color5 = "#ffffff";
		};
			document.getElementById("color_td5").style.backgroundColor = td_color5;
	
	}
	
	if (document.getElementById('color_field6'))
	{
	
		var td_color6 = document.getElementById('color_field6').value; 
		if (td_color6 == ''){
			document.getElementById('color_field6').value = '#ffffff';
			td_color6 = "#ffffff";
		};
			document.getElementById("color_td6").style.backgroundColor = td_color6;
	
	}
	
	if (document.getElementById('color_field7'))
	{
	
		var td_color7 = document.getElementById('color_field7').value; 
		if (td_color7 == ''){
			document.getElementById('color_field7').value = '#ffffff';
			td_color7 = "#ffffff";
		};
			document.getElementById("color_td7").style.backgroundColor = td_color7;
	
	}
	
	if (document.getElementById('color_field8'))
	{
	
		var td_color8 = document.getElementById('color_field8').value; 
		if (td_color8 == ''){
			document.getElementById('color_field8').value = '#ffffff';
			td_color8 = "#ffffff";
		};
			document.getElementById("color_td8").style.backgroundColor = td_color8;
	
	}
	
	if (document.getElementById('color_field9'))
	{
	
		var td_color9 = document.getElementById('color_field9').value; 
		if (td_color9 == ''){
			document.getElementById('color_field9').value = '#ffffff';
			td_color9 = "#ffffff";
		};
			document.getElementById("color_td9").style.backgroundColor = td_color9;
	
	}
	
	if (document.getElementById('color_field10'))
	{
	
		var td_color10 = document.getElementById('color_field10').value; 
		if (td_color10 == ''){
			document.getElementById('color_field10').value = '#ffffff';
			td_color10 = "#ffffff";
		};
			document.getElementById("color_td10").style.backgroundColor = td_color10;
	
	}
	
	if (document.getElementById('color_field11'))
	{
	
		var td_color11 = document.getElementById('color_field11').value; 
		if (td_color11 == ''){
			document.getElementById('color_field11').value = '#ffffff';
			td_color11 = "#ffffff";
		};
			document.getElementById("color_td11").style.backgroundColor = td_color11;
	
	}
		
	if (document.getElementById('color_field12'))
	{
	
		var td_color12 = document.getElementById('color_field12').value; 
		if (td_color12 == ''){
			document.getElementById('color_field12').value = '#ffffff';
			td_color12 = "#ffffff";
		};
			document.getElementById("color_td12").style.backgroundColor = td_color12;
	
	}

	if (document.getElementById('color_field13'))
	{
	
		var td_color13 = document.getElementById('color_field13').value; 
		if (td_color13 == ''){
			document.getElementById('color_field13').value = '#ffffff';
			td_color13 = "#ffffff";
		};
			document.getElementById("color_td13").style.backgroundColor = td_color13;
	
	}

	if (document.getElementById('color_field14'))
	{
	
		var td_color14 = document.getElementById('color_field14').value; 
		if (td_color14 == ''){
			document.getElementById('color_field14').value = '#ffffff';
			td_color14 = "#ffffff";
		};
			document.getElementById("color_td14").style.backgroundColor = td_color14;
	
	}

	if (document.getElementById('color_field15'))
	{
	
		var td_color15 = document.getElementById('color_field15').value; 
		if (td_color15 == ''){
			document.getElementById('color_field15').value = '#ffffff';
			td_color15 = "#ffffff";
		};
			document.getElementById("color_td15").style.backgroundColor = td_color15;
	
	}
	
	if (document.getElementById('color_field16'))
	{
	
		var td_color16 = document.getElementById('color_field16').value; 
		if (td_color16 == ''){
			document.getElementById('color_field16').value = '#ffffff';
			td_color16 = "#ffffff";
		};
			document.getElementById("color_td16").style.backgroundColor = td_color16;
	
	}
	
	if (document.getElementById('color_field17'))
	{
	
		var td_color17 = document.getElementById('color_field17').value; 
		if (td_color17 == ''){
			document.getElementById('color_field17').value = '#ffffff';
			td_color17 = "#ffffff";
		};
			document.getElementById("color_td17").style.backgroundColor = td_color17;
	
	}
	
	if (document.getElementById('color_field18'))
	{
	
		var td_color18 = document.getElementById('color_field18').value; 
		if (td_color18 == ''){
			document.getElementById('color_field18').value = '#ffffff';
			td_color18 = "#ffffff";
		};
			document.getElementById("color_td18").style.backgroundColor = td_color18;
	
	}
	
	if (document.getElementById('color_field19'))
	{
	
		var td_color19 = document.getElementById('color_field19').value; 
		if (td_color19 == ''){
			document.getElementById('color_field19').value = '#ffffff';
			td_color19 = "#ffffff";
		};
			document.getElementById("color_td19").style.backgroundColor = td_color19;
	
	}

};