function setmetric(id){

	if (id == 1){
    	metric_bra = document.sizefrm.metric1.selectedIndex;
      if (metric_bra == 0){
         document.sizefrm.metric2.selectedIndex = 0;
      }
      else{
        document.sizefrm.metric2.selectedIndex = 1;
      }
    }

    if (id == 2){
      metric_cup = document.sizefrm.metric2.selectedIndex;
      if (metric_cup == 0){
         document.sizefrm.metric1.selectedIndex = 0;
      }
      else{
        document.sizefrm.metric1.selectedIndex = 1;
      }

    }

}

function findsize(){


    metric_bra = document.sizefrm.metric1.selectedIndex;
    metric_cup = document.sizefrm.metric2.selectedIndex;

    if (metric_bra == 0){
      bra_size = document.sizefrm.bra.value;
      cup_size = document.sizefrm.cup.value;
      if (bra_size == '' || cup_size == ''){
      	alert("You must enter a band and cup size.");
        return false;
      }
      size = calculate_inches(bra_size, cup_size);
      document.sizefrm.resultsize.value = size;
	
    }
    if (metric_bra == 1){
       bra_size = document.sizefrm.bra.value;
      cup_size = document.sizefrm.cup.value;
      if (bra_size == '' || cup_size == ''){
      	alert("You must enter a band and cup size.");
        return false;
      }
      size = calculate_cm(bra_size, cup_size);
      document.sizefrm.resultsize.value = size;
    }

}

function calculate_inches(bra, cup)
{
 	if (bra > 26 && bra < 30)
    {
    	if (cup > 29 && cup < 32 )
        	{return "32A";}
        else if (cup > 31 && cup < 34 )
        	{return "32B";}
        else if (cup > 33 && cup < 36 )
        	{return "32C";}
        else if (cup > 35 && cup < 38 )
        	{return "32D";}
        else if (cup > 37 && cup < 40 )
        	{return "32DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 29 && bra < 32)
    {
       	if (cup > 31 && cup < 34 )
        	{return "34A";}
        else if (cup > 33 && cup < 36 )
        	{return "34B";}
        else if (cup > 35 && cup < 38 )
        	{return "34C";}
        else if (cup > 37 && cup < 40 )
        	{return "34D";}
        else if (cup > 39 && cup < 42 )
        	{return "34DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 31 && bra < 34)
    {
    	if (cup > 33 && cup < 36 )
        	{return "36A";}
        else if (cup > 35 && cup < 38 )
        	{return "36B";}
        else if (cup > 37 && cup < 40 )
        	{return "36C";}
        else if (cup > 39 && cup < 42 )
        	{return "36D";}
        else if (cup > 41 && cup < 44 )
        	{return "36DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 33 && bra < 36)
    {
       	if (cup > 35 && cup < 38 )
        	{return "38A";}
        else if (cup > 37 && cup < 40 )
        	{return "38B";}
        else if (cup > 39 && cup < 42 )
        	{return "38C";}
        else if (cup > 41 && cup < 44 )
        	{return "38D";}
        else if (cup > 43 && cup < 46 )
        	{return "38DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 35 && bra < 38)
    {
       	if (cup > 37 && cup < 40 )
        	{return "40A";}
        else if (cup > 39 && cup < 42 )
        	{return "40B";}
        else if (cup > 41 && cup < 44 )
        	{return "40C";}
        else if (cup > 43 && cup < 46 )
        	{return "40D";}
        else if (cup > 45 && cup < 48 )
        	{return "40DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 37 && bra < 40)
    {
       	if (cup > 39 && cup < 42 )
        	{return "N/A";}
        else if (cup > 41 && cup < 44 )
        	{return "42B";}
        else if (cup > 43 && cup < 46 )
        	{return "42C";}
        else if (cup > 45 && cup < 48 )
        	{return "42D";}
        else if (cup > 47 && cup < 50 )
        	{return "42DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 39 && bra < 42)
    {
       	if (cup > 41 && cup < 44 )
        	{return "N/A";}
        else if (cup > 43 && cup < 46 )
        	{return "44B";}
        else if (cup > 45 && cup < 48 )
        	{return "44C";}
        else if (cup > 47 && cup < 50 )
        	{return "44D";}
        else if (cup > 49 && cup < 52 )
        	{return "44DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 41 && bra < 44)
    {
       	if (cup > 43 && cup < 46 )
        	{return "N/A";}
        else if (cup > 45 && cup < 48 )
        	{return "46B";}
        else if (cup > 47 && cup < 50 )
        	{return "46C";}
        else if (cup > 49 && cup < 52 )
        	{return "46D";}
        else if (cup > 51 && cup < 54 )
        	{return "46DD";}
        else
        	{return "N/A";}
    }
    else
    {
    	return "N/A";
    }

}

function calculate_cm(bra, cup)
{
     	if (bra > 67 && bra < 75)
    {
    	if (cup > 75 && cup < 80 )
        	{return "32A";}
        else if (cup > 79 && cup < 85 )
        	{return "32B";}
        else if (cup > 84 && cup < 90 )
        	{return "32C";}
        else if (cup > 89 && cup < 95 )
        	{return "32D";}
        else if (cup > 94 && cup < 100 )
        	{return "32DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 74 && bra < 80)
    {
       	if (cup > 79 && cup < 85 )
        	{return "34A";}
        else if (cup > 84 && cup < 90 )
        	{return "34B";}
        else if (cup > 89 && cup < 95 )
        	{return "34C";}
        else if (cup > 94 && cup < 100 )
        	{return "34D";}
        else if (cup > 99 && cup < 105 )
        	{return "34DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 79 && bra < 85)
    {
    	if (cup > 84 && cup < 90 )
        	{return "36A";}
        else if (cup > 89 && cup < 95 )
        	{return "36B";}
        else if (cup > 94 && cup < 100 )
        	{return "36C";}
        else if (cup > 99 && cup < 105 )
        	{return "36D";}
        else if (cup > 104 && cup < 110 )
        	{return "36DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 84 && bra < 90)
    {
       	if (cup > 89 && cup < 95 )
        	{return "38A";}
        else if (cup > 94 && cup < 100 )
        	{return "38B";}
        else if (cup > 99 && cup < 105 )
        	{return "38C";}
        else if (cup > 104 && cup < 110 )
        	{return "38D";}
        else if (cup > 109 && cup < 115 )
        	{return "38DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 89 && bra < 95)
    {
       	if (cup > 94 && cup < 100 )
        	{return "40A";}
        else if (cup > 99 && cup < 105 )
        	{return "40B";}
        else if (cup > 104 && cup < 110 )
        	{return "40C";}
        else if (cup > 109 && cup < 115 )
        	{return "40D";}
        else if (cup > 114 && cup < 120 )
        	{return "40DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 94 && bra < 100)
    {
       	if (cup > 99 && cup < 105 )
        	{return "N/A";}
        else if (cup > 104 && cup < 110 )
        	{return "42B";}
        else if (cup > 109 && cup < 115 )
        	{return "42C";}
        else if (cup > 114 && cup < 120 )
        	{return "42D";}
        else if (cup > 119 && cup < 125 )
        	{return "42DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 99 && bra < 105)
    {
       	if (cup > 104 && cup < 110 )
        	{return "N/A";}
        else if (cup > 109 && cup < 115 )
        	{return "44B";}
        else if (cup > 114 && cup < 120 )
        	{return "44C";}
        else if (cup > 119 && cup < 125 )
        	{return "44D";}
        else if (cup > 125 && cup < 130 )
        	{return "44DD";}
        else
        	{return "N/A";}
    }
    else if (bra > 104 && bra < 110)
    {
       	if (cup > 109 && cup < 115 )
        	{return "N/A";}
        else if (cup > 114 && cup < 120 )
        	{return "46B";}
        else if (cup > 119 && cup < 125 )
        	{return "46C";}
        else if (cup > 124 && cup < 130 )
        	{return "46D";}
        else if (cup > 129 && cup < 136 )
        	{return "46DD";}
        else
        	{return "N/A";}
    }
    else
    {
    	return "N/A";
    }
}