var objForm,objMode,len,zt,offX=0,offY=0;var crntTool=0;
var x1=0,x2=0,y1=0,y2=0,minX,minY,maxX,maxY,mapClicked=false,sStatus,zooming=false;sbHeight=20;
if(isNC4){offX=20;offY=4};

function ClickFunction(i1,i2,i3) {
	var lyr1=layer(i1+'Lyr'), lyr2=layer(i2+'Lyr');
	var lyr, mode, idxBuff;

	mode=objMode.value.toLowerCase();
	objMode.value = i1.toLowerCase();

	snapLayer('topoflayer',i1+'Lyr',-114,8,'topoflayer',i2+'Lyr',-500,-500,'topoflayer',i3+'Lyr',-500,-500)
	lyr2.hide();lyr1.show();
	lyr2.moveZ(-1);lyr1.moveZ(1);
	MM_nbGroup('down','group1',i1,'./images/homepage/' + i1.toLowerCase() + '_r.gif',1);
}
function ClickFunction2(img) {
	if ((x=MM_findObj(img))!=null){
		c =MM_findObj(img+"_chk")
		if (c.value=='1') {
			x.src = './images/homepage/' + img + '_n.gif';
			c.value = '0'
		} else {
			x.src = './images/homepage/' + img + '_r.gif';
			c.value = '1'
		}
	}
}
function SetChecked(val) {
	var i=0, x=1;
	for( i=0 ; i<len ; i++) {
		if ((objForm.elements[i].type=='checkbox') && (objForm.elements[i].name.substring(0,9).toLowerCase()=="crimetype")) {
			objForm.elements[i].checked=val;
			x++;
		}
	}
}
function validateFields() {
	var idxBuff;
	var i=0, x=1, doIt1 = false, doIt1b = false, doIt2 = false, doIt2a = false, doIt2b = false, doIt3 = false;

	mode=objMode.value.toLowerCase();

	//Scroll through all of the controls...
	for( i=0 ; i<len ; i++) {
		//Check the checkboxes...
		if ((objForm.elements[i].type=='checkbox') && (objForm.elements[i].name.substring(0,9).toLowerCase()=="crimetype")) {
			if (objForm.elements[i].checked==1) {
				doIt1 = true;// break;
			}
			x++;
		}
		//Check the outputs (map and/or report)...
		if ((objForm.elements[i].type=='checkbox') && (objForm.elements[i].name=='ReportOptionChk')) {
			if (objForm.elements[i].checked==1) {
				doIt1b = true;// break;
			}
		}
		if ((objForm.elements[i].type=='checkbox') && (objForm.elements[i].name=='MapOptionChk')) {
			if (objForm.elements[i].checked==1) {
				doIt1b = true;// break;
			}
		}
	}

	var objBuff=MM_findObj('buffDistI');
	var objBuffDistValue=MM_findObj('buffDist');
	objBuffDistValue.value = objBuff.options[objBuff.selectedIndex].value

	var objNeighSelect=MM_findObj('NeighborhoodSelect');
	var objNeigh=MM_findObj('Neighborhood');
	objNeigh.value = objNeighSelect.options[objNeighSelect.selectedIndex].value

	var objAddress1Text=MM_findObj('Address1Text')
	var objAddress2Text=MM_findObj('Address2Text')
	var objAddress1=MM_findObj('Address1')
	var objAddress2=MM_findObj('Address2')
	objAddress1.value = objAddress1Text.value
	objAddress2.value = objAddress2Text.value

	switch (mode) {
		case "neighborhood":
			if(objNeigh.value!=''){doIt3=true;}
			break
		case "intersection":
			if((objAddress1.value1!='')&&(objAddress2.value!='')){doIt3=true;}
			break
		default:
			doIt3=false;
	}

	if ((doIt1 == true) && (doIt1b == true) && (doIt3==true)){
		//At least one checkbox is selected, now check the date(s)...
		var fromDate=MM_findObj('Date1');
		var toDate=MM_findObj('Date2');
		if (fromDate.value != "") {
			if (CheckDate(fromDate)) {
				doIt2a = true;
				//Check toDate when populated...
				if (CheckDate(toDate)) {
					//Check that fromDate < toDate...
					if (DateRangeCheck(fromDate,toDate)) {
						//Limit the date range to 3 months...
						var d1 = new Date(fromDate.value);
						var d2 = new Date(toDate.value);
						var d1y, d1m, d1d, d1z;
						var d2y, d2m, d2d, d2z;
						
						d1y = d1.getYear();
						if (d1y < 2000){d1y = d1y + 1900};
						d1y = d1y * 365.25
						d1m = ((d1.getMonth() + 1) * 30.4167);
						d1d = d1.getDate();
						d1z = d1y + (d1m + d1d);
	
						d2y = d2.getYear();
						if (d2y < 2000) {d2y = d2y + 1900}
						d2y = d2y * 365.25
						d2m = ((d2.getMonth() + 1) * 30.4167);
						d2d = d2.getDate();
						d2z = d2y + (d2m + d2d);

						var numDays;
						numDays = Math.abs(d2z - d1z);
						if (numDays > 91.5) {
							doIt2 = false;
							alert("The date range cannot exceed 3 months.")
						} else { 
							doIt2 = true; //from/toDate
						}
					}
				}		
			}
		} else {
			alert("No valid date entered.");
			doIt2 = false;
		} //end of: if (fromDate != "")

	} else { //Input problems
		
		if (doIt3!=true) {
			switch (mode) {
				case "neighborhood":
					alert("A neighborhood must be selected.");
					break
				case "intersection":
					alert("Both cross streets must be specified.");
					break
				default:
					alert("Unknown function: (expected Neighborhood or Intersection) contact Technical Support.");
			}
		}
		else if ((doIt1 != true)  && (doIt1b != true)){
			alert("At least 1 Crime type, as well as 1 Output Option must be selected.");
		}
		else if (doIt1b != true) {
			alert("At least 1 Output Option must be selected.");		
		}
		else if (doIt1 != true) {
			alert("At least 1 Crime type must be selected.");		
		}
	}
	//Everything is a GO...
	if((doIt1==true)&&(doIt2==true)){
		objForm.submit();
	}
}
function SetOptions(){
	if(objForm.MapOptionChk.checked){objForm.MapOption.value='1'}else{objForm.MapOption.value='0'};
	if(objForm.ReportOptionChk.checked){objForm.ReportOption.value='1'}else{objForm.ReportOption.value='0'};
}
function snapLayer(){ //v2.61 by PVII
  var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,args=snapLayer.arguments;a=parseInt(a);
  for (k=0; k<(args.length-3); k+=4)
   if ((g=findObj(args[k]))!=null) {
    el=eval(findObj(args[k+1]));
    a=parseInt(args[k+2]);b=parseInt(args[k+3]);
    x=0;y=0;ox=0;oy=0;p="";tx=1;da="document.all['"+args[k]+"']";
    if(document.getElementById) {
     d="document.getElementsByName('"+args[k]+"')[0]";
     if(!eval(d)) {d="document.getElementById('"+args[k]+"')";if(!eval(d)) {d=da;}}
    }else if(document.all) {d=da;} 
    if (document.all || document.getElementById) {
     while (tx==1) {p+=".offsetParent";
      if(eval(d+p)) {x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
      }else{tx=0;}}
     ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);var tw=x+ox+y+oy;
     if(tw==0 || (navigator.appVersion.indexOf("MSIE 4")>-1 && navigator.appVersion.indexOf("Mac")>-1)) {
      ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);
      }else{var w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;
      a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
      x=document.body.scrollLeft + event.clientX + bx;
      y=document.body.scrollTop + event.clientY;}}
   }else if (document.layers) {x=g.x;y=g.y;var q0=document.layers,dd="";
    for(var s=0;s<q0.length;s++) {dd='document.'+q0[s].name;
     if(eval(dd+'.document.'+args[k])) {x+=eval(dd+'.left');y+=eval(dd+'.top');break;}}}
   if(el) {e=(document.layers)?el:el.style;
   var xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
   if(navigator.appName=="Netscape" && parseInt(navigator.appVersion)>4){xx+="px";yy+="px";}
   if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
    xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);
    xx+="px";yy+="px";}e.left=xx;e.top=yy;}}
}
// Begin Date Validation
function CheckDate(objName) {
	var datefield = objName;
	if (chkdate(objName) == false) {
		datefield.select();
		alert("That date is invalid.  Please try again.");
		datefield.focus();
		return false;
	} else {
		return true;
	}
}
function chkdate(objName) {
  var strDatestyle = "US"; //United States date style
  //var strDatestyle = "EU";  //European date style
  var strDate;
  var strDateArray;
  var strDay;
  var strMonth;
  var strYear;
  var intday;
  var intMonth;
  var intYear;
  var booFound = false;
  var datefield = objName;
  var strSeparatorArray = new Array("-"," ","/",".");
  var intElementNr;
  var err = 0;
  var strMonthArray = new Array(12);
  strMonthArray[0] = "Jan";
  strMonthArray[1] = "Feb";
  strMonthArray[2] = "Mar";
  strMonthArray[3] = "Apr";
  strMonthArray[4] = "May";
  strMonthArray[5] = "Jun";
  strMonthArray[6] = "Jul";
  strMonthArray[7] = "Aug";
  strMonthArray[8] = "Sep";
  strMonthArray[9] = "Oct";
  strMonthArray[10] = "Nov";
  strMonthArray[11] = "Dec";
  strDate = datefield.value;
	if (strDate.length < 1) {
		return true;
	}
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) {
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3) {
				err = 1;
				return false;
			} else {
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
			}
			booFound = true;
		}
	}
	if (booFound == false) {
		if (strDate.length>5) {
	      strDay = strDate.substr(0, 2);
	      strMonth = strDate.substr(2, 2);
	      strYear = strDate.substr(4);
		}
	}
	if (strYear.length == 2) {
		strYear = '20' + strYear;
	}
	// US style
	if (strDatestyle == "US") {
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
	intday = parseInt(strDay, 10);
	if (isNaN(intday)) {
		err = 2;
		return false;
	}
	intMonth = parseInt(strMonth, 10);
	if (isNaN(intMonth)) {
		for (i = 0;i<12;i++) {
			if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) {
				intMonth = i+1;
				strMonth = strMonthArray[i];
				i = 12;
			}
		}
		if (isNaN(intMonth)) {
			err = 3;
			return false;
		}
	}
	intYear = parseInt(strYear, 10);
	if (isNaN(intYear)) {
		err = 4;
		return false;
	}
	if (intMonth>12 || intMonth<1) {
		err = 5;
		return false;
	}
	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || 					intMonth == 10 || intMonth == 12) && (intday > 31 || intday  < 1)) {
		err = 6;
		return false;
	}
	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) &&     (intday > 30 || intday < 1)) {
		err = 7;
		return false;
	}
	if (intMonth == 2) {
		if (intday < 1) {
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true) {
			if (intday > 29) {
				err = 9;
				return false;
			}
		} else {
			if (intday > 28) {
				err = 10;
				return false;
			}
		}
	}
	if (strDatestyle == "US") {
		//datefield.value = strMonthArray[intMonth-1] + " " + intday+" " + strYear;
	} else {
		//datefield.value = intday + " " + strMonthArray[intMonth-1] + " " + strYear;
	}
	return true;
}
function LeapYear(intYear) {
	if (intYear % 100 == 0) {
		if (intYear % 400 == 0) { return true; }
	} else {
		 if ((intYear % 4) == 0) { return true; }
	}
	return false;
}
function DateRangeCheck(from, to) {
	if (Date.parse(from.value) <= Date.parse(to.value)) {
		return true; //alert("The dates are valid.");
	} else {
		if (from.value == "" || to.value == "") {
			alert("Both dates must be entered.");
		} else {
			alert("To date must occur after the from date.");
		}
	}
}
// End Date Validation