// JavaScript Document

function logging(frm){
	var t=0;
	document.getElementById('usern').style.color = "#015184";
	document.getElementById('passw').style.color = "#015184";
	if (frm.reg_user.value == "") {
		t++;
		document.getElementById('usern').style.color = "red";
	}
	if (frm.reg_passwd.value == "") {
		t++;
		document.getElementById('passw').style.color = "red";
	}
	if (t != 0)	return false;
		else {
			frm.submit();
		}
}

function bookmark(address,sitename) {
	if (window.sidebar) {
 		window.sidebar.addPanel(sitename, address,"");
	} 
		else if( document.all ) {
 			window.external.AddFavorite(address, sitename);
 		} 
			else if( window.opera && window.print ) {
 				return true;
 			}
}

function checkItem(txF, dvName_) {	
	ret = 1;
	style_ = 'stFormCellText';
	item_ = document.getElementById(dvName_);
	if(txF.value == '') {
		style_ = "stFormCellTextError";		
		ret = 0;
	}
	item_.className = style_;
	return ret;
}

function checkItemL(txF, dvName_) {	
	ret = 1;
	style_ = 'stFormCellTextL';
	item_ = document.getElementById(dvName_);
	if(txF.value == '') {
		style_ = "stFormCellTextErrorL";		
		ret = 0;
	}
	item_.className = style_;
	return ret;
}

function checkItemC(txF, dvName_) {	
	ret = 1;
	style_ = 'stFormCellTextC';
	item_ = document.getElementById(dvName_);
	if(txF.value == '') {
		style_ = "stFormCellTextErrorC";		
		ret = 0;
	}
	item_.className = style_;
	return ret;
}

function setDVstyle(dv, st){
	item_ = document.getElementById(dv);
	item_.className = st;
}


function hideDiv(id) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showDiv(id) {		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}


function toggle_visibility(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'none')
		e.style.display = 'block';
	else
		e.style.display = 'none';
}


function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)

	 if (str.indexOf(at)==-1) return false
	 if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr) return false
 	 if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || ldot+1==lstr) return false
	 if (str.indexOf(at,(lat+1))!=-1) return false
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) return false
	 if (str.indexOf(dot,(lat+2))==-1) return false		
	 if (str.indexOf(" ")!=-1) return false
	
	return true					
}

function isNumeric(sText) {
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++)  { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1)
		return false;
   }
	return true;
}


var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strYear=dtStr.substring(0,pos1);
	var strMonth=dtStr.substring(pos1+1,pos2);
	var strDay=dtStr.substring(pos2+1);
	strYr=strYear;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1);
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1);
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1);
	}
	month=parseInt(strMonth);
	day=parseInt(strDay);
	year=parseInt(strYr);
	if (pos1==-1 || pos2==-1) return false;
	if (strMonth.length<1 || month<1 || month>12) return false;
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]) return false;
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear) return false;
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false) return false;
return true;
}

function tadd(id){
	document.tab.action="tabel_addvalue.php?id=" + id;
	document.tab.submit();
}

function change_to(id, al){
	document.getElementById('radiologists').style.display = 'none';
	for (i=0; i<al; i++) {
		document.getElementById('radiologist_'+ i).style.display = 'none';
		document.getElementById('radiologist_desc_'+ i).style.display = 'none';
		document.getElementById('radiologist_sub_'+ i).style.display = 'none';
	}
	document.getElementById('radiologist_'+ id).style.display = 'block';
	document.getElementById('radiologist_desc_'+ id).style.display = 'block';
	document.getElementById('radiologist_sub_'+ id).style.display = 'block';
}

function LoadPopup(doc, w, h) {
	if (!w) w=600;
	if (!h) h=600;
	win = window.open(doc, "BC", 'status=no,toolbar=0,scrollbars=1,menubar=0,titlebar=0,resizable=0,width='+w+',height='+h);
	win.moveTo(screen.width/2-w/2, screen.height/2-h/2);
	win.focus();
}

function checkReg(){
	var t= 0;
	document.getElementById('f_email').className = '';
	document.getElementById('t_email').className = '';
	
	if ((document.reg.f_email.value == "") || (!echeck(document.reg.f_email.value))) {
		t=1;
		document.getElementById('f_email').className = 'error';
	}
	if ((document.reg.t_email.value == "") || (!echeck(document.reg.t_email.value))) {
		t=1;
		document.getElementById('t_email').className = 'error';
	}
	
	if (t == 0) return true;
	return false;
}

function checkRegister(){
		var t= 0;
		document.getElementById('email').className = '';
		document.getElementById('remail').className = '';
		document.getElementById('full_name').className = '';
		document.getElementById('sub').className = '';
		
		if (document.reg.full_name.value == "") {
			t=1;
			document.getElementById('full_name').className = 'error';
		}
		if (document.reg.email.value == "") {
			t=1;
			document.getElementById('email').className = 'error';
		}
		if ((document.reg.remail.value == "") || (!echeck(document.reg.remail.value))) {
			t=1;
			document.getElementById('remail').className = 'error';
		}
		if (document.reg.practice.value == "") {
			t=1;
			document.getElementById('sub').className = 'error';
		}
		
		if (t == 0) return true;
		return false;
	}

function checkMemo(){
		var t= 0;
		document.getElementById('email').className = '';
		document.getElementById('name').className = '';
		document.getElementById('organization').className = '';
		document.getElementById('phnum').className = '';
		
		if (document.send.name.value == "") {
			t=1;
			document.getElementById('name').className = 'error';
		}
		if (document.send.organization.value == "") {
			t=1;
			document.getElementById('organization').className = 'error';
		}
		if ((document.send.email.value == "") || (!echeck(document.send.email.value))) {
			t=1;
			document.getElementById('email').className = 'error';
		}
		if (document.send.phnum.value == "") {
			t=1;
			document.getElementById('phnum').className = 'error';
		}
		
		if (t == 0) return true;
		return false;
}


function checkContact(){
		var t= 0;
		document.getElementById('email').className = '';
		document.getElementById('name').className = '';
		document.getElementById('adress').className = '';
		document.getElementById('phnum').className = '';
		document.getElementById('question').className = '';

		if (document.send.name.value == "") {
			t=1;
			document.getElementById('name').className = 'error';
		}
		if (document.send.adress.value == "") {
			t=1;
			document.getElementById('adress').className = 'error';
		}
		if ((document.send.email.value == "") || (!echeck(document.send.email.value))) {
			t=1;
			document.getElementById('email').className = 'error';
		}
		if (document.send.phnum.value == "") {
			t=1;
			document.getElementById('phnum').className = 'error';
		}
		if (document.send.question.value == "") {
			t=1;
			document.getElementById('question').className = 'error2';
		}
		
		if (t == 0) return true;
		return false;

}

function downlPDF(name){
	window.location = "pdf-first.php?df=" + name;
}