msg = "Please, complete the required fields!";
var rowNumber = 1;
var d = document;
function changeProp(myID) {
var x = d.getElementById(myID);
var y = d.getElementById('i_'+myID);
if (myID == 't7') {
if (x.className != 'mR') {
   x.className = 'mR';
   y.className = 'close';
   }else{
   x.className = 'mRC';
   y.className = 'open';
}
}else{
if (x.className != 'mR mB') {
   x.className = 'mR mB';
 y.className = 'close';
   }else{
   x.className = 'mRC mB';
 y.className = 'open';
}
}
}

function CallJS(jsStr) {
 return eval(jsStr)
 }
 function closeTable(mid) {
 var x = document.getElementById(mid);
 var y = document.getElementById(mid);
 y = y.firstChild;
 if (x.className != 'closeTB') {
 x.className = 'closeTB';
 }else{
 x.className = 'openTB';
 }
 };

function checkContactForm() {
var err = 0;
for(i=0;i<=d.contactForm.length-1;i++){if (d.contactForm[i].value == '' || d.contactForm[i].value == ' ' || d.contactForm[i].value == '0') {err++;}}
if (err > 2){alert(msg);}else{d.contactForm.submit();} 
}
function checkSendForm() {
var err = 0;
for(i=0;i<=d.sendForm.length-1;i++){if (d.sendForm[i].value == '' || d.sendForm[i].value == ' ' || d.sendForm[i].value == '0') {err++;}}
if (err > 0){alert(msg);}else{d.sendForm.submit();} 
}

function addRow(id){
rowNumber= rowNumber + 5;
mess = "You can not order more than 120 goods!"+rowNumber;
if (rowNumber < 120) {
var tbody = document.getElementById
(id).getElementsByTagName("TBODY")[0];
var cnt = document.anchors.length;
for (i=rowNumber;i<=rowNumber+4;i++) {
var row = document.createElement("TR")
var td1 = document.createElement("TD")
var ja = document.createElement("span")
ja.name= "t";
ja.innerHTML = '<b>Stock#</b>';
td1.appendChild(ja);
var td2 = document.createElement("TD")
var ja1 = document.createElement("input")
ja1.className = 'IN';
ja1.name= "stockNumber"+i;
td2.appendChild(ja1);
var td3 = document.createElement("TD")
var ja2 = document.createElement("span")
ja2.innerHTML = '<b>Qty</b>';
ja2.name= "b";
td3.appendChild(ja2);
var td4 = document.createElement("TD")
td4.className = 'orderTD';
var ja3 = document.createElement("input")
ja3.className = 'IN';
ja3.name= "qty"+i;
td4.appendChild(ja3);
row.appendChild(td1);
row.appendChild(td2);
row.appendChild(td3);
row.appendChild(td4);
tbody.appendChild(row);
}
}else{
alert(mess);
}
}