// Initiate the global variables...
var crStandardVars = new Array();
var crAlertVars = new Array();
var crLoop = 0;
var crScaleFactor = 0.01;
var crMouseX = 0;
var crMouseY = 0;
var crImgWidth = 0;
var crImgHeight = 0;
var crBorderColor = "";
var crSelWidth = 0;
var crSelHeight = 0;
var crSelMinWidth = 0;
var crSelLeft = 0;
var crSelTop = 0;


// Set standard variables here...
crStandardVars.crWidth = 128;
crStandardVars.crHeight = 128;
crStandardVars.crDivWidth = 401;
crStandardVars.crDivHeight = 32;
crStandardVars.crVarCropSize = 1;
crStandardVars.crShowPreview = 1;
crStandardVars.crResultDir = "/";


// Set texts of Javascript Alerts here...
crAlertVars.noSupport = "Your browser doesn't support the cropper script! You need to use another Browser...";
crAlertVars.onlyUseDigits = "Du kan kun vælge tal i udsnit størrelsen";
crAlertVars.wrongCropSize = "The crop size that you chose is larger than the original.\nThis is not possible, the maximum crop size for the picture\nthat you uploaded is: ";
crAlertVars.cropEndTxt = "Dit billede er færdigt!<br>Det kan nu hentes på wap.mobildata.dk";

//
function crGetVars(div){
	var vars = new Array();
	var inputs = div.getElementsByTagName('input');
	for (var v in crStandardVars){
		vars[v] = crStandardVars[v];
	}
	for(var i=0; i<inputs.length; i++){
		if (inputs[i].type == "hidden"){
			if (inputs[i].id){
				vars[inputs[i].id] = inputs[i].value;
			} else {
				vars[inputs[i].name] = inputs[i].value;
			}
		}
	}
	return vars;
}


//
function crInitCropper(){
	if (document.getElementById && document.createElement){
		var divs = document.getElementsByTagName('div');
		var j = 0;
		for(var i=0; i<divs.length; i++){
			if (divs[i].className == "cropper"){
				if (divs[i].id){
					divs[i].title = divs[i].id;
				}
				divs[i].id = "crDiv"+j;
				crCurrentDiv = divs[i].id;
				var vars = new Array();
				vars = crGetVars(divs[i]);
				if (document.all){
					vars.crDivWidth = (vars.crDivWidth * 1) + 5;
				}
				divs[i].style.width = vars.crDivWidth + "px";
				divs[i].style.height = vars.crDivHeight + "px";
				var crFrame = '<iframe name="crFrame'+ j +'" id="crFrame'+ j +'" src="http://www.mobildata.dk/test5/cropper.php?do=upload&crId=' + j;
				for (var v in vars) {
					crFrame += '&' + v + '=' + vars[v];
				}
				crFrame += '" width="' + vars.crDivWidth + '" height="' + vars.crDivHeight + '" scrolling="no" frameborder="0"></iframe>';

				divs[i].innerHTML = crFrame;
				j++;
			}
		}
	} else {
		alert(crAlertVars.noSupport);
	}
}


//
function crSubmitUpload(){
	document.getElementById('crUploadIndicator').style.left = "0px";
	document.getElementById('crForm').submit();
	document.getElementById('crUploadDiv').innerHTML = "";
}


//
function crSetDivHeight(crId,divHeight){
	var crDiv = document.getElementById("crDiv"+crId);
	var crFrame = document.getElementById("crFrame"+crId);
	crDiv.style.height = divHeight + "px";
	crFrame.style.height = divHeight + "px";
}


//
function crInitCropIf(){
	var crSelect = document.getElementById('crSelect');
	var vars = new Array();
	vars = crGetVars(document.getElementById('crInterface'));
	crSelWidth = Math.floor(vars.crProp * vars.crWidth) - 2;
	crSelHeight = Math.floor(vars.crProp * vars.crHeight) - 2;
	crSelMinWidth = crSelWidth;
	crSelect.style.width = crSelWidth + "px";
	crSelect.style.height = crSelHeight + "px";
	crImgWidth = Math.floor(vars.crProp * vars.crOrgWidth);
	crImgHeight = Math.floor(vars.crProp * vars.crOrgHeight);
	crSelLeft = Math.ceil((crImgWidth - (crSelWidth + 1)) / 2) + 3;
	crSelTop = Math.ceil((crImgHeight - (crSelHeight + 1)) / 2) + 3;
	crSelect.style.left = crSelLeft + "px";
	crSelect.style.top = crSelTop + "px";
	crBorderColor = crSelect.style.borderColor;
}


//
function crDrag(){
	var div = document.getElementById('crSelect');
	if (crLoop == 0){
		div.style.cursor = "move";
		div.onmousemove = crDoDrag;
	} else {
		div.style.cursor = "pointer";
		crLoop = 0;
		div.onmousemove = null;
	}
}


//
function crDoDrag(e){
	if (!e) e = window.event
	if (crLoop == 0){
		crLoop = 1;
		crMouseX = e.screenX;
		crMouseY = e.screenY;
	} else {
		var div = document.getElementById('crSelect');
		var divx = e.screenX - crMouseX;
		var divy = e.screenY - crMouseY;
		if ((crSelLeft + divx + crSelWidth - 1) < crImgWidth && (crSelLeft + divx) >= 3){
			crMouseX = crMouseX + divx;
			crSelLeft = crSelLeft + divx;
			div.style.left = crSelLeft + "px";
		}
		if ((crSelTop + divy + crSelHeight - 1) < crImgHeight && (crSelTop + divy) >= 3){
			crMouseY = crMouseY + divy;
			crSelTop = crSelTop + divy;
			div.style.top = crSelTop + "px";
		}
	}
}


//
function crStartZoom(dir){
	crLoop = 1;
	crDoZoom(dir);
}


//
function crStopZoom(){
	crLoop = 0;
}


//
function crDoZoom(dir){
	var div = document.getElementById('crSelect');
	crTimer = null;
	if (crLoop == 1){
		if (dir == 1){
			crScaleFactor = (1 - crScaleFactor) * crScaleFactor;
			crSelWidth = (1 + crScaleFactor) * crSelWidth;
			crSelHeight = (1 + crScaleFactor) * crSelHeight;
		} else {
			crScaleFactor = (1 + crScaleFactor) * crScaleFactor;
			crSelWidth = (1 - crScaleFactor) * crSelWidth;
			crSelHeight = (1 - crScaleFactor) * crSelHeight;
		}
		if ((Math.round(crSelWidth) + crSelLeft - 1) <= crImgWidth && (Math.round(crSelHeight) + crSelTop - 1) <= crImgHeight && Math.round(crSelWidth) > crSelMinWidth){
			div.style.width = Math.round(crSelWidth) + "px";
			div.style.height = Math.round(crSelHeight) + "px";
			crTimer = setTimeout("crDoZoom("+dir+")", 10);
		} else {
			crStopZoom();
		}
	}
}


//
function crSwitchSelectColor(){
	div = document.getElementById('crSelect');
	div.style.borderColor = "#fff";
	if (div.style.borderColor == crBorderColor){
		div.style.borderColor = "#000";
	} else {
		div.style.borderColor = "#fff";
	}
	crBorderColor = div.style.borderColor;
}


//
function crSetCropSize(theObj){
	var vars = new Array();
	vars = crGetVars(document.getElementById('crInterface'));
	var div = document.getElementById('crSelect');
	var theVal = (theObj.value) * 1;
	if (theVal > 9){
		if (theObj.id == "crSizeLeft"){
			if (theVal > vars.crOrgWidth){
				alert(crAlertVars.wrongCropSize + crImgWidth + " x " + crImgHeight);
				theObj.value = "";
				return;
			}
			crSelWidth = Math.ceil(vars.crProp * theVal);
			crSelHeight = Math.ceil(vars.crProp * vars.crHeight);
			crSelMinWidth = crSelWidth;
			document.getElementById('crWidth').value = theVal;
		} else {
			if (theVal > vars.crOrgHeight){
				alert(crAlertVars.wrongCropSize + crImgWidth + " x " + crImgHeight);
				theObj.value = "";
				return;
			}
			crSelWidth = Math.ceil(vars.crProp * vars.crWidth);
			crSelHeight = Math.ceil(vars.crProp * theVal);
			document.getElementById('crHeight').value = theVal;
		}
		div.style.width = crSelWidth +"px";
		div.style.height = crSelHeight +"px";
		crSelLeft = Math.ceil((crImgWidth - (crSelWidth + 1)) / 2) + 3;
		crSelTop = Math.ceil((crImgHeight - (crSelHeight + 1)) / 2) + 3;
		div.style.left = crSelLeft + "px";
		div.style.top = crSelTop + "px";
	}
}


//
function crDoCrop(opt){
	var vars = new Array();
	vars = crGetVars(document.getElementById('crInterface'));
	var url = "cropper.php?do=";
	if (opt == "left" || opt == "right"){
		url += "crop&crRotate=" + opt;
	} else if (vars['do'] == "crop"){
		url += opt;
		vars['crSelWidth'] = Math.ceil(crSelWidth + 2);
		vars['crSelHeight'] =  Math.ceil(crSelHeight + 2);
		vars['crSelLeft'] = crSelLeft - 3;
		vars['crSelTop'] = crSelTop - 3;
	} else {
		url += opt;
	}
	for (var i in vars){
		if (i != 'do')
			url += "&" + i + "=" + vars[i];
	}
	document.location.href = url;
}


//
function crFinishCrop(crId,divHeight,crResult){
	crSetDivHeight(crId,divHeight);
	crTimer = setTimeout("crExitCrop("+crId+",'"+crResult+"')", 500);
}


//
function crExitCrop(crId,crResult){
	var div = document.getElementById("crDiv"+crId);
	var result = crAlertVars.cropEndTxt;
	var resultName = 'cropperResult[' + crId + ']';
	if (div.title){
		resultName = div.title;
		div.id = div.title;
		div.title = "";
	}
	result += '<input type="hidden" name="'+resultName+'" value="' + crResult +'" />';
	div.innerHTML = result;
}