Dark_Delphin,
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<head>
<title>Untitled</title>
<meta charset="utf-8">
</head>
<body>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<table class="blackmetal_plasma_calc">
<tr>
<td rowspan="2">Длина порезки, м</td>
<td colspan="11" class="center">Толщина листа, мм</td>
</tr>
<tr class="center">
<td>0,5-2</td>
<td>3-4</td>
<td>5-6</td>
<td>7-8</td>
<td>9-12</td>
<td>13-15</td>
<td>16-18</td>
<td>19-22</td>
<td>23-25</td>
<td>26-30</td>
<td>31-40</td>
</tr>
<tr>
<td>1-50</td>
<td class="center">10,26</td>
<td class="center">12,06</td>
<td class="center">15,12</td>
<td class="center">16,74</td>
<td class="center">21,72</td>
<td class="center">32,88</td>
<td class="center">35,40</td>
<td class="center">46,62</td>
<td class="center">51,06</td>
<td class="center">71,16</td>
<td class="center">124,80</td>
</tr>
<tr>
<td>50-100</td>
<td class="center">9,75</td>
<td class="center">11,46</td>
<td class="center">14,36</td>
<td class="center">15,90</td>
<td class="center">20,63</td>
<td class="center">31,24</td>
<td class="center">33,63</td>
<td class="center">44,29</td>
<td class="center">48,51</td>
<td class="center">67,60</td>
<td class="center">118,56</td>
</tr>
<tr>
<td>100-300</td>
<td class="center">9,23</td>
<td class="center">10,85</td>
<td class="center">13,61</td>
<td class="center">15,07</td>
<td class="center">19,55</td>
<td class="center">29,59</td>
<td class="center">31,86</td>
<td class="center">41,96</td>
<td class="center">45,95</td>
<td class="center">64,04</td>
<td class="center">112,32</td>
</tr>
<tr>
<td>300-1000</td>
<td class="center">8,72</td>
<td class="center">10,25</td>
<td class="center">12,85</td>
<td class="center">14,23</td>
<td class="center">18,46</td>
<td class="center">27,95</td>
<td class="center">30,09</td>
<td class="center">39,63</td>
<td class="center">43,40</td>
<td class="center">60,49</td>
<td class="center">106,08</td>
</tr>
<tr>
<td>1000-2000</td>
<td class="center">8,21</td>
<td class="center">9,65</td>
<td class="center">12,10</td>
<td class="center">13,39</td>
<td class="center">17,38</td>
<td class="center">26,30</td>
<td class="center">28,32</td>
<td class="center">37,30</td>
<td class="center">40,85</td>
<td class="center">56,93</td>
<td class="center">99,84</td>
</tr>
<tr>
<td>2000 и ></td>
<td class="center">7,70</td>
<td class="center">9,05</td>
<td class="center">11,34</td>
<td class="center">12,56</td>
<td class="center">16,29</td>
<td class="center">24,66</td>
<td class="center">26,55</td>
<td class="center">34,97</td>
<td class="center">38,30</td>
<td class="center">53,37</td>
<td class="center">93,60</td>
</tr>
<tr>
<td>Прожиг грн/шт</td>
<td class="center">1,20</td>
<td class="center">1,38</td>
<td class="center">1,56</td>
<td class="center">2,64</td>
<td class="center">3,48</td>
<td class="center">5,10</td>
<td class="center">5,64</td>
<td class="center">6,60</td>
<td class="center">21,54</td>
<td class="center">28,20</td>
<td class="center">62,40</td>
</tr>
<tr>
<td colspan="12" class="tip">* Введите данные для расчета стоимости</td>
</tr>
<tr class="inputs1">
<td>Метры погонные</td>
<td class="center"><input class="styled_inp" type="text" data-index="1" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="3" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="5" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="7" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="9" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="11" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="13" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="15" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="17" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="19" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="21" value="" placeholder="0" /></td>
</tr>
<tr class="inputs2">
<td>Прожиги шт</td>
<td class="center"><input class="styled_inp" type="text" data-index="2" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="4" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="6" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="8" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="10" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="12" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="14" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="16" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="18" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="20" value="" placeholder="0" /></td>
<td class="center"><input class="styled_inp" type="text" data-index="22" value="" placeholder="0" /></td>
</tr>
<tr>
<td colspan="12"></td>
</tr>
<tr class="results">
<td>Работа</td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
<td class="center"></td>
</tr>
<tr class="total">
<td>Всего</td>
<td class="center total_cost"></td>
<td>грн</td>
<td colspan="12"></td>
</tr>
</table>
<script type="text/javascript">
function bl(val) {
return val.replace(',','.');
}
var calc_elem = document.querySelector('.blackmetal_plasma_calc');
function blackmetal_plasma_calc_recalc() {
var elems1 = calc_elem.querySelectorAll('.inputs1 input');
var elems2 = calc_elem.querySelectorAll('.inputs2 input');
var elems3 = calc_elem.querySelectorAll('tr.results td');
var totals=[];
var total = 0;
var tmp1,tmp2;
var ii;
var prices1 = [10.26,12.06,15.12,16.74,21.72,32.88,35.4,46.62,51.06,71.16,124.8];
var prices2 = [1.2,1.38,1.56,2.64,3.48,5.1,5.64,6.6,21.54,28.2,62.4];
for (ii=0;ii<elems1.length;ii++) {
tmp1 = parseFloat(bl(elems1[ii].value));
if (isNaN(tmp1)) {
tmp1 = 0;
}
if (tmp1 > 1999) {
totals[ii] = tmp1 * prices1[ii] * 0.75;
} else if (tmp1 > 999) {
totals[ii] = tmp1 * prices1[ii] * 0.8;
} else if (tmp1 > 299) {
totals[ii] = tmp1 * prices1[ii] * 0.85;
} else if (tmp1 > 99) {
totals[ii] = tmp1 * prices1[ii] * 0.9;
} else if (tmp1 > 49) {
totals[ii] = tmp1 * prices1[ii] * 0.95;
} else {
totals[ii] = tmp1 * prices1[ii] * 1;
}
tmp1 = parseInt(elems2[ii].value);
if (isNaN(tmp1)) {
tmp1 = 0;
}
totals[ii] = totals[ii] + tmp1 * prices2[ii];
total = total + totals[ii];
elems3[ii+1].innerHTML = totals[ii].toFixed(2);
}
var total_elem = calc_elem.querySelector('tr.total td.total_cost');
total_elem.innerHTML = total.toFixed(2);
}
calc_elem.addEventListener('input', blackmetal_plasma_calc_recalc);
</script>
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</html>