// JavaScript Document
//compare categories start for adding new articles
function CompareAdd()
{
	if(document.addition.catno1.value==document.addition.catno2.value && document.addition.catno2.value != ""
	  || document.addition.catno1.value==document.addition.catno3.value && document.addition.catno3.value != ""
	  || document.addition.catno1.value==document.addition.catno4.value && document.addition.catno4.value != ""
	  || document.addition.catno1.value==document.addition.catno5.value && document.addition.catno5.value != "" 
	  
	  || document.addition.catno2.value==document.addition.catno3.value && document.addition.catno3.value != ""
	  || document.addition.catno2.value==document.addition.catno4.value && document.addition.catno4.value != ""
	  || document.addition.catno2.value==document.addition.catno5.value && document.addition.catno5.value != ""

	  || document.addition.catno3.value==document.addition.catno4.value && document.addition.catno4.value != ""
	  || document.addition.catno3.value==document.addition.catno5.value && document.addition.catno5.value != ""

	  || document.addition.catno4.value==document.addition.catno5.value && document.addition.catno5.value != "")
	{
		alert("You may not select the same category twice.")
		return false;
	} else { 
	return validateAdd(); 
	}
}
//end compare categories (for new additions) 
//compare categories start for editing articles
function CompareEdit()
{
	if(document.edit.catno1.value==document.edit.catno2.value && document.edit.catno2.value != "0"
	  || document.edit.catno1.value==document.edit.catno3.value && document.edit.catno3.value != "0"
	  || document.edit.catno1.value==document.edit.catno4.value && document.edit.catno4.value != "0"
	  || document.edit.catno1.value==document.edit.catno5.value && document.edit.catno5.value != "0" 
	  
	  || document.edit.catno2.value==document.edit.catno3.value && document.edit.catno3.value != "0"
	  || document.edit.catno2.value==document.edit.catno4.value && document.edit.catno4.value != "0"
	  || document.edit.catno2.value==document.edit.catno5.value && document.edit.catno5.value != "0"

	  || document.edit.catno3.value==document.edit.catno4.value && document.edit.catno4.value != "0"
	  || document.edit.catno3.value==document.edit.catno5.value && document.edit.catno5.value != "0"

	  || document.edit.catno4.value==document.edit.catno5.value && document.edit.catno5.value != "0")
	{
		alert("You may not select the same category twice.")
		return false;
	} else { 
	return validateEdit(); 
	}
}
//end compare categories

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' is required.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors); 
  document.MM_returnValue = (errors == ''); 
}

function validateAdd()
{
	while (document.addition.categories.value == "0") 
	{
	MM_validateForm('Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.addition.categories.value == "1") 
	{
	MM_validateForm('catno1','','R','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.addition.categories.value == "2") 
	{
	MM_validateForm('catno1','','R','catno2','','R','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue 
	}
	while (document.addition.categories.value == "3") 
	{
	MM_validateForm('catno1','','R','catno2','','R','catno3','','R','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue 
	}
	while (document.addition.categories.value == "4") 
	{
	MM_validateForm('catno1','','R','catno2','','R','catno3','','R','catno4','','R','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue 
	}
	while (document.addition.categories.value == "5") 
	{
	MM_validateForm('catno1','','R','catno2','','R','catno3','','R','catno4','','R','catno5','','R','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue 
	}
}

function validateEdit()
{
	while (document.edit.categories.value == "0") 
	{
	MM_validateForm('Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.edit.categories.value == "1") 
	{
	MM_validateForm('catno1','','RinRange1:1e+103','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.edit.categories.value == "2") 
	{
	MM_validateForm('catno1','','RinRange1:1e+103','catno2','','RinRange1:1e+103','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.edit.categories.value == "3") 
	{
	MM_validateForm('catno1','','RinRange1:1e+103','catno2','','RinRange1:1e+103','catno3','','RinRange1:1e+103','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.edit.categories.value == "4") 
	{
	MM_validateForm('catno1','','RinRange1:1e+103','catno2','','RinRange1:1e+103','catno3','','RinRange1:1e+103','catno4','','RinRange1:1e+103','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
	while (document.edit.categories.value == "5") 
	{
	MM_validateForm('catno1','','RinRange1:1e+103','catno2','','RinRange1:1e+103','catno3','','RinRange1:1e+103','catno4','','RinRange1:1e+103','catno5','','RinRange1:1e+103','Title','','R','author','','R','preview','','R','content','','R');
	return document.MM_returnValue
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}