function popupCalendar (dateText, dateButton,selectedDate,isTime,selectedTime,buttonsExist) {

	var Event = YAHOO.util.Event,
		Dom = YAHOO.util.Dom,
		dialog,
		calendar,
		timeBoxString,
		dateString = "",
		datePage = "";

	var showBtn = Dom.get("show"+Dom.get(dateText).value);

	//Dialog creation with the calendar in it.
	if (!dialog) {

		function resetHandler() {
			Dom.get(dateText).value				= "";
			Dom.get(dateText+"_DD").value		= "";
			Dom.get(dateText+"_MM").value		= "";
			Dom.get(dateText+"_YY").value		= "";				
			if(Dom.get(dateText+"_HO"))		Dom.get(dateText+"_HO").value		= "";
			if(Dom.get(dateText+"_HOVAL"))	Dom.get(dateText+"_HOVAL").value	= "";
			if(Dom.get(dateText+"_MI"))		Dom.get(dateText+"_MI").value		= ""; 
			if(Dom.get(dateText+"_MIVAL"))	Dom.get(dateText+"_MIVAL").value	= "";
			dialog.destroy();
		}

		function closeHandler() {
			if(Dom.get(dateText+"_HOVAL"))	Dom.get(dateText+"_HO").value = Dom.get(dateText+"_HOVAL").value;
			if(Dom.get(dateText+"_MIVAL"))	Dom.get(dateText+"_MI").value = Dom.get(dateText+"_MIVAL").value;
			dialog.destroy();
		}

		//Dialog is being created with or without buttons
		if(buttonsExist){
			dialog = new YAHOO.widget.Dialog("popupCalContainer", {
			visible:true,
			context:["show"+Dom.get(dateText).value, "tl", "bl"],
			buttons:[ {text:"Sıfırla", handler: resetHandler, isDefault:true}, {text:"Kapat", handler: closeHandler}],
			draggable:false
			});
		}else{
			dialog = new YAHOO.widget.Dialog("popupCalContainer", {
			visible:true,
			context:["show"+Dom.get(dateText).value, "tl", "bl"],
			draggable:false
			});
		}

		dialog.setHeader('Tarih giriniz');
		
		//Values of time boxes are being set and these boxes are being created.
		if(isTime){
			var minute = '';
			var hour = '';
			
			if(Dom.get(dateText+"_HO").value !='' && Dom.get(dateText+"_MI").value !=''){
				Dom.get(dateText+"_MI").value = validateTimeStrings(Dom.get(dateText+"_MI").value); 
				Dom.get(dateText+"_HO").value = validateTimeStrings(Dom.get(dateText+"_HO").value);
				minute = Dom.get(dateText+"_MI").value;
				hour = Dom.get(dateText+"_HO").value
			}else if(selectedTime !=''){					
				minute = validateTimeStrings(selectedTime.split(":")[1]);
				hour = validateTimeStrings(selectedTime.split(":")[0]);
			}

			timeBoxString = '<div class="timeCell"><span>Saat:&nbsp;</span><input type="text" id="'+dateText+'_HOVAL" id="'+dateText+'_HOVAL" maxlength="2" onKeyUp="validateCalTime(this,0,\'\')" onload="validateCalTime(this,0,\'\')" value="'+hour+'" class="calTime"/>&nbsp;:&nbsp;<input type="text" id="'+dateText+'_MIVAL" onload="validateCalTime(this,1,\''+dateText+'\')" onKeyUp="validateCalTime(this,1,\''+dateText+'\')" maxlength="2" name="'+dateText+'_MIVAL" value="'+minute+'" class="calTime"/></div>';

		}else
			timeBoxString = '';				
		
		dialog.setBody(timeBoxString + '<div id="cal"></div>');
		dialog.render(document.body);

			if (YAHOO.env.ua.ie) {
				//We want to let the dialog know that the content size has changed, when shown
				dialog.fireEvent("changeContent");
			}
		}

		dateString = Dom.get(dateText+"_MM").value+"/"+Dom.get(dateText+"_DD").value+"/"+Dom.get(dateText+"_YY").value;
		datePage = Dom.get(dateText+"_MM").value+"/"+Dom.get(dateText+"_YY").value;

		var navConfig = {strings : { month: "Lütfen bir ay seçiniz", year: "Lütfen bir yıl giriniz", submit: "Tamam", cancel: "İptal", invalidYear: "Lütfen geçerli bir tarih giriniz." }};
		
		// Calendar Creation,if there is a selected date or not
		if (!calendar) {
			if(dateString=="//"){
				calendar = new YAHOO.widget.Calendar("cal", {
				iframe:false,			// Turn iframe off, since container has iframe support.
				hide_blank_weeks:true,  // Enable, to demonstrate how we handle changing height, using changeContent
				navigator:navConfig	// Year navigation is enabled with the localization params
				});
			}else{
				calendar = new YAHOO.widget.Calendar("cal", {
				iframe:false,			// Turn iframe off, since container has iframe support.
				hide_blank_weeks:true,	// Enable, to demonstrate how we handle changing height, using changeContent
				selected:dateString,	//Selected date is handled
				pageDate:datePage,		// Date page is choosen
				navigator:navConfig		// Year navigation is enabled with the localization params
				});				
			}

			//Localization
			calendar.cfg.setProperty("MONTHS_SHORT",   ["Oc", "Şub", "Mart", "Nis", "May", "Haz", "Tem", "Ağu", "Eyl", "Ekim", "Kas", "Ara"]); 
			calendar.cfg.setProperty("MONTHS_LONG",    ["Ocak", "Şubat", "Mart", "Nisan", "Mayıs", "Haziran", "Temmuz", "Ağustos", "Eylül", "Ekim", "Kasım", "Aralık"]); 
			calendar.cfg.setProperty("WEEKDAYS_1CHAR", ["P", "S", "Ç", "P", "C", "C", "P"]); 
			calendar.cfg.setProperty("WEEKDAYS_SHORT", ["Pzt", "Sl", "Çr", "Pr", "Cm", "Cmt", "Pz"]); 
			calendar.cfg.setProperty("WEEKDAYS_MEDIUM",["Pzt", "Sl", "Çr", "Pr", "Cm", "Cmt", "Pz"]); 
			calendar.cfg.setProperty("WEEKDAYS_LONG",  ["Pazartesi", "Salı", "Çarşamba", "Perşembe", "Cuma", "Cumartesi", "Pazar"]); 

			calendar.selectEvent.subscribe(function() {
				if (calendar.getSelectedDates().length > 0) {						

					var selDate = calendar.getSelectedDates()[0];

					//Date Output
					var dStr = selDate.getDate();
					var mStr = selDate.getMonth()+1;
					var yStr = selDate.getFullYear();
					
					Dom.get(dateText).value =  dStr + "-" + mStr + "-" + yStr;
					Dom.get(dateText+"_DD").value = dStr;
					Dom.get(dateText+"_MM").value = mStr;
					Dom.get(dateText+"_YY").value = yStr;
					
					if(isTime){
						Dom.get(dateText+"_HOVAL").value = validateTimeStrings(Dom.get(dateText+"_HOVAL").value);
						Dom.get(dateText+"_MIVAL").value= validateTimeStrings(Dom.get(dateText+"_MIVAL").value);
						Dom.get(dateText+"_HO").value = Dom.get(dateText+"_HOVAL").value;
						Dom.get(dateText+"_MI").value = Dom.get(dateText+"_MIVAL").value;
					}
				} 
				dialog.destroy();
			});
			calendar.renderEvent.subscribe(function() {
				// Tell Dialog it's contents have changed
				dialog.fireEvent("changeContent");
			});
			
			calendar.render();
		}

	  	var xy = Dom.getXY(Dom.get(dateButton));
		xy[0] += 10;
		xy[1] += 10;
		Dom.setXY ('popupCalContainer', xy, false);

		dialog.show();
}
function validateCalTime(object,hourOrMin,inputName){
	var Dom = YAHOO.util.Dom;
	object.value = object.value.replace(/[^0-9]/g, "");		
	
	if(hourOrMin==1 && object.value>=60) {
		object.value = '00';
		hourObject = Dom.get(inputName + '_HOVAL');
		if(hourObject.value != '')
			hourObject.value = parseInt(hourObject.value)+1;
		if(Dom.get(inputName + '_HOVAL').value>24)
			Dom.get(inputName + '_HOVAL').value = '00';		
	}
	if(hourOrMin==0 && object.value>24){
		object.value = '00';
	}	
}
function validateTimeStrings(stringValue){
	if(stringValue == undefined)
		return '';
	if(stringValue.length==1)
		stringValue = '0'+stringValue;
	if(stringValue.length==0)
		stringValue = '';	
	return stringValue;
}