/* PopUp Calendar v2.1
© PCI, Inc.,2000 • Freeware
webmaster@personal-connections.com
+1 (925) 955 1624
Permission granted  for unlimited use so far
as the copyright notice above remains intact. */

/* Settings. Please read readme.html file for instructions*/
var ppcDF = "m/d/Y";
var ppcMN = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
var ppcWN = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
var ppcER = new Array(4);
ppcER[0] = "Required DHTML functions are not supported in this browser.";
ppcER[1] = "Target form field is not assigned or not accessible.";
ppcER[2] = "Sorry, the chosen date is not acceptable. Please read instructions on the page.";
ppcER[3] = "Unknown error occured while executing this script.";
var ppcUC = false;
var ppcUX = 4;
var ppcUY = 4;

/* Do not edit below this line unless you are sure what are you doing! */

var ppcIE = false;
if (navigator.appName == "Microsoft Internet Explorer") ppcIE = true;

var ppcNN=false;
if (navigator.appName == "Netscape") ppcNN = true;
	
var ppcTT="<table width=\"150\" cellspacing=\"0\" cellpadding=\"1\" border=\"1\" bordercolor=\"#2B3879\">\n";
var ppcCD=ppcTT;var ppcFT="<font face=\"MS Sans Serif, sans-serif\" size=\"1\" color=\"#000000\">";var ppcFC=true;
var ppcTI=false;var ppcSV=null;var ppcRL=null;var ppcXC=null;var ppcYC=null;
var ppcML=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
var ppcWE=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
var ppcNow=new Date();var ppcPtr=new Date();

if (ppcNN) {
	window.captureEvents(Event.RESIZE);
	window.onresize = restoreLayers;
	document.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);
	document.onmousedown = recordXY;
	document.onmouseup = confirmXY;
}

function restoreLayers(e) {
	if (ppcNN) {
		with (window.document) {
			open("text/html");
			write("<html><head><title>Restoring the layer structure...</title></head>");
			write("<body bgcolor=\"#FFFFFF\" onLoad=\"history.go(-1)\">");
			write("</body></html>");
			close();
		}
	}
}

function recordXY(e) {
	if (ppcNN) {
		ppcXC = e.x;
		ppcYC = e.y;
		document.routeEvent(e);
	}
}

function confirmXY(e) {
	if (ppcNN) {
		ppcXC = (ppcXC == e.x) ? e.x : null;
		ppcYC = (ppcYC == e.y) ? e.y : null;
		document.routeEvent(e);
	}
}

function getCalendarFor(target,daydrop,monthdrop,rules) {
	
	pdaydrop =daydrop;
	pmonthdrop=monthdrop;
	ppcSV = target;
	ppcRL = rules;
 
	// Calendar does not run on a mac or non IE browser
	var platform = navigator.platform.toString().toLowerCase();

	if ((!ppcIE) || (platform.indexOf("mac") != -1))  {
		alert ("The calendar is not available for the web browser you are running");
		return (false);
	}
 
	if (ppcFC) {
		setCalendar();
		ppcFC = false;
	}
	if ((ppcSV != null)&&(ppcSV)) {
		if (ppcIE) {
			var obj = document.all['PopUpCalendar'];
			
			if (typeof(document.documentElement.scrollTop) != 'undefined' && document.documentElement.scrollTop != 0) {
				zlvbzz_wtop = document.documentElement.scrollTop;
			} else if (typeof(document.body.scrollTop) != 'undefined' && document.body.scrollTop != 0) {
				zlvbzz_wtop = document.body.scrollTop;
			} else if (typeof(window.pageYOffset) != 'undefined' && window.pageYOffset != 0) {
				zlvbzz_wtop = window.pageYOffset;
			} else {
				zlvbzz_wtop = 0;
			}
			
			obj.style.left = document.body.scrollLeft+event.clientX;
			obj.style.top  = zlvbzz_wtop+event.clientY;
			obj.style.visibility = "visible";
		} else if (ppcNN) {
			var obj = document.layers['PopUpCalendar'];
			obj.left = ppcXC
			obj.top  = ppcYC
			obj.visibility = "show";
		} else {
			showError(ppcER[0]);
		}
	} else {
		showError(ppcER[1]);
	}
}

function switchMonth(param) {
	var tmp = param.split("|");
	setCalendar(tmp[0],tmp[1]);
}

function moveMonth(dir) {
 
	var obj = null;
	var limit = false;
	var tmp,dptrYear,dptrMonth;
	if (ppcIE) {
		obj = document.ppcMonthList.sItem;
	} else if (ppcNN) {
		obj = document.layers['PopUpCalendar'].document.layers['monthSelector'].document.ppcMonthList.sItem;
	} else {
		showError(ppcER[0]);
	}
 
	if (obj != null) {
		if ((dir.toLowerCase() == "back")&&(obj.selectedIndex > 0)) {
			obj.selectedIndex--;
		} else if ((dir.toLowerCase() == "forward")&&(obj.selectedIndex < 14)) {
			obj.selectedIndex++;
		} else {
			limit = true;
		}
	}
 
	if (!limit) {
		tmp = obj.options[obj.selectedIndex].value.split("|");
		dptrYear  = tmp[0];
		dptrMonth = tmp[1];
		setCalendar(dptrYear,dptrMonth);
	} else {
		if (ppcIE) {
			obj.style.backgroundColor = "#FF0000";
			window.setTimeout("document.ppcMonthList.sItem.style.backgroundColor = '#FFFFFF'",50);
		}
	}
}

function selectDate(param) {
	var arr   = param.split("|");
	var year  = arr[0];
	var month = arr[1];
	var date  = arr[2];
	var ptr = parseInt(date);
	ppcPtr.setDate(ptr);
 
	if ((ppcSV != null)&&(ppcSV)) {
		if (validDate(date)) {
			pdaydrop.selectedIndex= (date -1);
			pmonthdrop.selectedIndex= (month - ppcNow.getMonth() + 12*(year-getFullYear(ppcNow)));
	
			ppcSV.value = dateFormat(year,month,date);
			hideCalendar();
		} else {
			showError(ppcER[2]);
			if (ppcTI) {
				clearTimeout(ppcTI);ppcTI = false;
			}
		}
	} else {
		showError(ppcER[1]);
		hideCalendar();
	}
}

function setCalendar(year,month) {
	if (year  == null) {
		year = getFullYear(ppcNow);
	}
	if (month == null) {
		month = ppcNow.getMonth();setSelectList(year,month);
	}
 
	if (month == 1) {
		ppcML[1]  = (isLeap(year)) ? 29 : 28;
	}
	ppcPtr.setYear(year);
	ppcPtr.setMonth(month);
	ppcPtr.setDate(1);
	updateContent();
}

function updateContent() {
	generateContent();
	if (ppcIE) {
		document.all['monthDays'].innerHTML = ppcCD;
	} else if (ppcNN) {
		with (document.layers['PopUpCalendar'].document.layers['monthDays'].document) {
			open("text/html");
			write("<html>\n<head>\n<title>DynDoc</title>\n</head>\n<body bgcolor=\"#FFFFFF\">\n");
			write(ppcCD);
			write("</body>\n</html>");
			close();
		}
	} else {
		showError(ppcER[0]);
	}
	ppcCD = ppcTT;
}

function generateContent() {
	var year  = getFullYear(ppcPtr);
	var month = ppcPtr.getMonth();
	var date  = 1;
	var day   = ppcPtr.getDay();
	var len   = ppcML[month];
	var bgr,cnt,tmp = "";
	var j,i = 0;
 
	for (j = 0; j < 7; ++j) {
		if (date > len) {
			break;
		}
		for (i = 0; i < 7; ++i) {
			bgr = ((i == 0)||(i == 6)) ? "#B9CBE3" : "#FFFFFF";
			if (((j == 0)&&(i < day))||(date > len)) {
				tmp  += makeCell(bgr,year,month,0);
			} else {
				tmp  += makeCell(bgr,year,month,date);++date;
			}
		}
		ppcCD += "<tr align=\"center\">\n" + tmp + "</tr>\n";tmp = "";
	}
	ppcCD += "</table>\n";
}

function makeCell(bgr,year,month,date) {
	var param = "\'"+year+"|"+month+"|"+date+"\'";
	var td1 = "<td width=\"20\" bgcolor=\""+bgr+"\" ";
	var td2 = (ppcIE) ? "</font></span></td>\n" : "</font></a></td>\n";
	var evt = "onMouseOver=\"this.style.backgroundColor=\'#FF0000\'\" onMouseOut=\"this.style.backgroundColor=\'"+bgr+"\'\" onMouseUp=\"selectDate("+param+")\" ";
	var ext = "<span Style=\"cursor: hand\">";
	var lck = "<span Style=\"cursor: default\">";
	var lnk = "<a href=\"javascript:selectDate("+param+")\" onMouseOver=\"window.status=\' \';return true;\">";
	var cellValue = (date != 0) ? date+"" : "&nbsp;";
 
	if ((ppcNow.getDate() == date)&&(ppcNow.getMonth() == month)&&(getFullYear(ppcNow) == year)) {
		cellValue = "<b>"+cellValue+"</b>";
	}
 
	var cellCode = "";
	if (date == 0) {
		if (ppcIE) {
			cellCode = td1+"Style=\"cursor: default\">"+lck+ppcFT+cellValue+td2;
		} else {
			cellCode = td1+">"+ppcFT+cellValue+td2;
		}
	} else {
		if (ppcIE) {
			cellCode = td1+evt+"Style=\"cursor: hand\">"+ext+ppcFT+cellValue+td2;
		} else {
			if (date < 10) {
				cellValue = "&nbsp;" + cellValue + "&nbsp;";
			}
			cellCode = td1+">"+lnk+ppcFT+cellValue+td2;
		}
	}
	return cellCode;
}

function setSelectList(year,month) {
	 var i = 0;
	 var obj = null;
	 if (ppcIE) {
		obj = document.ppcMonthList.sItem;
	} else if (ppcNN) {
		obj = document.layers['PopUpCalendar'].document.layers['monthSelector'].document.ppcMonthList.sItem;
	} else {
		/* NOP */
	}
	 
	while (i < 13) {
		obj.options[i].value = year + "|" + month;
		obj.options[i].text  = year + " • " + ppcMN[month];
		i++;
		month++;
		if (month == 12) {
			year++;month = 0;
		}
	}
}
	
function hideCalendar() {

	if (ppcIE) {
		document.all['PopUpCalendar'].style.visibility = "hidden";
	} else if (ppcNN) {
		document.layers['PopUpCalendar'].visibility = "hide";window.status = " ";
	} else {
		/* NOP */
	}
	 
	ppcTI = false;
	setCalendar();
	ppcSV = null;
	 
	if (ppcIE) {
		var obj = document.ppcMonthList.sItem;
	} else if (ppcNN) {
		var obj = document.layers['PopUpCalendar'].document.layers['monthSelector'].document.ppcMonthList.sItem;
	} else {
		/* NOP */
	}
	 
	obj.selectedIndex = 0;
}
	
function showError(message) {
	window.alert("[ PopUp Calendar ]\n\n" + message);
}
	
function isLeap(year) {
	 
	if ((year%400==0)||((year%4==0)&&(year%100!=0))) {
		return true;
	} else {
		return false;
	}
}
	
function getFullYear(obj) {
	
	if (ppcNN) {
		return obj.getYear() + 1900;
	} else {
		return obj.getYear();
	}
}

function validDate(date) {
 
	var reply = true;
	if (ppcRL == null) {
		/* NOP */
	} else {
		var arr = ppcRL.split(":");
		var mode = arr[0];
		var arg  = arr[1];
		var key  = arr[2].charAt(0).toLowerCase();
		if (key != "d") {
			var day = ppcPtr.getDay();
			var orn = isEvenOrOdd(date);
			reply = (mode == "[^]") ? !((day == arg)&&((orn == key)||(key == "a"))) : ((day == arg)&&((orn == key)||(key == "a")));
		} else {
			reply = (mode == "[^]") ? (date != arg) : (date == arg);
		}
	}
	return reply;
}

function isEvenOrOdd(date) {
	if (date - 21 > 0) {
		return "e";
	} else if (date - 14 > 0) {
		return "o";
	} else if (date - 7 > 0) {
		return "e";
	} else {
		return "o";
	}
}

function dateFormat(year,month,date) {
 
	if (ppcDF == null) {
		ppcDF = "m/d/Y";
	}
	var day = ppcPtr.getDay();
	var crt = "";
	var str = "";
	var chars = ppcDF.length;
	for (var i = 0; i < chars; ++i) {
		crt = ppcDF.charAt(i);
		switch (crt) {
			case "M": str += ppcMN[month]; break;
			case "m": str += (month<9) ? ("0"+(++month)) : ++month; break;
		   case "Y": str += year; break;
		   case "y": str += year.substring(2); break;
		   case "d": str += ((ppcDF.indexOf("m")!=-1)&&(date<10)) ? ("0"+date) : date; break;
		   case "W": str += ppcWN[day]; break;
			default: str += crt;
		}
	}
	return unescape(str);
}
