var issubmited=false;

function submitCurrentForm(taskStr){
    if(!issubmited) {
       issubmited=true;
       document.forms[0].task.value = taskStr;
       document.forms[0].submit();
    }       
}

function submitForm(form,taskStr){
    if(!issubmited) {
       issubmited=true;
       form.task.value = taskStr;
       form.submit();
    }       
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function validateEmail(emailField, msg){
    var filter = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
    if (!filter.test(emailField.value)) {
        emailField.value = '';
        alert(msg);
        return false;
    }    
}

function validateDate(dateField, msg){
    var filter = /(19|20)[0-9]{2}[\- \/.](0[1-9]|1[012])[\- \/.](0[1-9]|[12][0-9]|3[01])/;
    if (!filter.test(dateField.value)) {
        dateField.value = '';
        alert(msg);
        return false;
    }    
}

function isNumber(field){
   var intVal = parseInt(field.value);    
   if (!intVal) 
       field.value= '';       
}

function markRow(row){
    row.className = 'selectedRow';
}

function unmarkRow(row){
    row.className = 'unselectedRow';
}