// Roll over functions start //

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 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:  checkOpt()
 
    INPUT:  input, type("alpha" or "num")

    RETURNS:  True if data is valid type

    ================================================================ */	
function checkOpt(itemName)
{

	if (itemName == "sales" || itemName == "pi"){
		document.getElementById("1sp").style.display = 'inline';
		
	} else {
		document.getElementById("1sp").style.display = 'none';
		
	}
}

function showDetail(id)
{

	var typeText;
	var descText;
	var typeId;
	var descId;
	typeId = "type" + id;
	descId = "desc" + id;
	
	typeText = document.getElementById(typeId).value;
	descText = document.getElementById(descId).value;

	document.getElementById(typeId).innerHTML = typeText ;
	document.getElementById(descId).innerHTML = descText ;

}

/*  ================================================================
    FUNCTION:  isValid()
 
    INPUT:  input, type("alpha" or "num")

    RETURNS:  True if data is valid type

    ================================================================ */				
function isValid(input,type) {
	/* validates data types, used by other functions */

  var ValidChars; 
  if (type == "alpha"){
    ValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.,\'\ ";


  } else if (type == "num"){ 

    ValidChars = "0123456789";

  } else { 
    ValidChars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*";

  }

  var IsTrue=true;
  var Char;

  for (i = 0; i < input.length && IsTrue == true; i++) { 

    Char = input.charAt(i); 

    if (ValidChars.indexOf(Char) == -1){

      IsTrue = false;
	  alert("You have entered an illegal character");


    }

  }

  if (input == ""){IsTrue = false;} 

  return IsTrue;

}
// END FUNCTION isValid

				
/*  ================================================================
    FUNCTION:  changeFocus()
 
    INPUT:   fField,nField

    RETURNS: 	sets focus to nField

 	EXAMPL: fField is value of field, nField is name of next field
    ================================================================ */				
function changeFocus(fField, nField){
	/* changes focus in to next input box */

				
	 if (isValid(fField.value,"num") && fField.value.length == 3 || fField.value.length == 4){
	

    		nField.focus();

			nField.select();


		 }
	}


// END FUNCTION changeFocus

/*  ================================================================
    FUNCTION:  verifyOrder()
 
    INPUT:    

    RETURNS:  verifies all required fields are filled in
 
    ================================================================ */
function verifyOrder() {
// verifies we have collected all required fields //

	if(document.createorder.oType.value == "Please Choose"){
		alert("Please Choose A Product Type!");
		document.createorder.oType.focus();
		return false;
	} else if(document.createorder.details.value == ""){
		alert("Please Enter Order Details!");
		document.createorder.details.focus();
		return false;
	} else if((document.createorder.Email.value == "") && (document.createorder.npa.value == "" && document.createorder.nxx.value == "" && document.createorder.num.value == "")){
		alert("Please Enter Either a Phone Number Or Email Address!");
		document.createorder.npa.focus();
		return false;

	} else {
		return true;
	}
		
}
// END FUNCTION verifyOrder

function verifyContact()
{
	// verifies we have collected all required fields //

	if(document.getElementById('Name').value == ''){
		alert("Please Enter A Contact Name");
		document.getElementById('Name').focus();
		return false;
	} else if(document.getElementById('Company').value == ''){
		alert("Please Enter Company Name!");
		document.getElementById('Company').focus();
		return false;
	} else if((document.getElementById('Email').value == '') && (document.getElementById('npa').value == '' && document.getElementById('nxx').value == '' && document.getElementById('num').value == '')){
		alert("Please Enter Either a Phone Number Or Email Address!");
		document.getElementById('npa').focus();
		return false;

	} else {
		return true;
	}
		
}


/* =================================================================
	FUNCTION: isEmail
	
	INPUT: eMail
	
	RETURN: true if valid characters found
	
	================================================================*/

function isEmail (s)
{ 
 
    var i = 1;
    var sLength = s.length;
	if (s != ""){
    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) 
	{
	
    alert("You have entered an invalid email address");
	document.contact.Email.focus();
	return false;
	} else {
		 i += 2; }

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != "."))
	{
	 
     alert("You have entered an invalid email address");
	document.contact.Email.focus();
	return false;
	} else  { 
		return true; }
	}
}
/* =================================================================
	FUNCTION: toggle_display
	
	INPUT: span id
	
	RETURN: span none or inline
	
	================================================================*/
function toggle_display(element_id)
{
  var element = document.getElementById(element_id);
	
	if(element.style.display == 'none')
		{ 
			element.style.display = 'inline';
		}
	else if(element.style.display == 'inline')
		{
			element.style.display = 'none';
		}
	
}
		

// END FUNCTION toggle_display


// function showPop
function showPop(popname,orderid)

{

var oid;
	switch(popname){
		case "details":
		oid = orderid;
	
			var href = "order_details.php?orderid="+oid;	
		break;
		case "order":
		var acctid;
		acctid = document.neworder.hacct.value;
		var href = "new_order.php?acctid="+acctid;
		break;
		//}
	}
		window.open(href, "", "width=575,height=400,scrollbars=yes");
				
				
		
}
// END FUNCTION showPop