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

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to 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){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    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 datums(datum){
	var datms
	var year = 0
	var dtCh= "/";
	var daysInMonth = DaysArray(12)
	var pos1=datum.indexOf(dtCh)
	var pos2=datum.indexOf(dtCh,pos1+1)
	var strDay=datum.substring(0,pos1)
	var strMonth=datum.substring(pos1+1,pos2)
	var strYear=datum.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)
	datms = new Date(year, month-1, day);
	datms = datms.getTime()
	return datms
}
	
	tabCount = 6;
	function activateTab(i) {
		switch(i) 
		{
		case(i=0): 
		  var aktivnalijevo="/interface/tab0_lijevi_a.gif"
		  var aktivnabck= "url(/interface/tab0_bck.gif)"
		  var aktivnadesno = "/interface/tab0_desni_a.gif"
		break
		case(i=1): 
		  var aktivnalijevo="/interface/tab1_lijevi_a.gif"
		  var aktivnabck= "url(/interface/tab1_bck.gif)"
		  var aktivnadesno = "/interface/tab1_desni_a.gif"
		break
		case(i=2): 
		  var aktivnalijevo="/interface/tab2_lijevi_a.gif"
		  var aktivnabck= "url(/interface/tab2_bck.gif)"
		  var aktivnadesno = "/interface/tab2_desni_a.gif"
		break
		case(i=3): 
		  var aktivnalijevo="/interface/tab3_bck.gif"
		  var aktivnabck= "url(/interface/tab3_bck.gif)"
		  var aktivnadesno = "/interface/tab3_desni_na.gif"
		break
		case(i=4): 
		  var aktivnalijevo="/interface/tab4_bck.gif"
		  var aktivnabck= "url(/interface/tab4_bck.gif)"
		  var aktivnadesno = "/interface/tab4_desni_na.gif"
		break
		case(i=5): 
		  var aktivnalijevo="/interface/tab5_bck.gif"
		  var aktivnabck= "url(/interface/tab5_bck.gif)"
		  var aktivnadesno = "/interface/tab5_desni.gif"
		break
		}
		document.getElementById( "tab-left:"+i ).src=aktivnalijevo;
		document.getElementById( "tab-bg:"+i ).style.background=aktivnabck;
		document.getElementById( "tab-right:"+i ).src=aktivnadesno;
		document.getElementById( "tab-body:"+i ).style.display='block';
	}
	function deactivateTab(i) {
		switch(i) 
		{
		case(i=0): 
		  var neaktivnalijevo="/interface/tab0_lijevi_a.gif"
		  var neaktivnabck= "url(/interface/tab0_bck.gif)"
		  var neaktivnadesno = "/interface/tab0_desni_a.gif"
		break
		case(i=1): 
		  var neaktivnalijevo="/interface/tab1_lijevi_na.gif"
		  var neaktivnabck= "url(/interface/tab1_bck.gif)"
		  var neaktivnadesno = "/interface/tab1_desni_a.gif"
		break
		case(i=2): 
		  var neaktivnalijevo="/interface/tab2_lijevi_na.gif"
		  var neaktivnabck= "url(/interface/tab2_bck.gif)"
		  var neaktivnadesno = "/interface/tab2_desni_a.gif"
		break
		case(i=3): 
		  var neaktivnalijevo="/interface/tab3_lijevi_na.gif"
		  var neaktivnabck= "url(/interface/tab3_bck.gif)"
		  var neaktivnadesno = "/interface/tab3_desni_a.gif"
		break
		case(i=4): 
		  var neaktivnalijevo="/interface/tab4_lijevi_na.gif"
		  var neaktivnabck= "url(/interface/tab4_bck.gif)"
		  var neaktivnadesno = "/interface/tab4_desni_a.gif"
		break
		case(i=5): 
		  var neaktivnalijevo="/interface/tab5_lijevi_na.gif"
		  var neaktivnabck= "url(/interface/tab5_bck.gif)"
		  var neaktivnadesno = "/interface/tab5_desni.gif"
		break
		}
		document.getElementById( "tab-left:"+i ).src=neaktivnalijevo;
		document.getElementById( "tab-bg:"+i ).style.background=neaktivnabck;
		document.getElementById( "tab-right:"+i ).src=neaktivnadesno;
		document.getElementById( "tab-body:"+i ).style.display='none';
	}
	function changeActiveTab(i) {
		for( j=0; j < tabCount; ++j ) {
			if( j==i ) {
				activateTab(j);
			} else {
				deactivateTab(j);
			}
		}
	}