//Collage module JavaScript interface.
		//Please, only use PURE JS here (i.e. no jQuery).
		//JS code follows:
		var collageManipulations = new Array();
		var collageBackgroundImage = '';
		var collageBackgroundWidth = 0;
		var collageBackgroundHeight = 0;
		var collageSaveFile = false;
		function AddCollageManipulation(src,x,y,w,h,angle,arr){ //Adds manipulation to temporary array.
			//Defaults:
			if(arr==null) arr = collageManipulations;
			if(arr==null) arr = new Array(); if(src==null) src = "";
			if(x==null) x=0; if(y==null) y=0; if(w==null) w=0; if(h==null) h=0;
			if(angle==null) angle=0;
			//Function:
			var tmp = {};
			tmp['action']='image';tmp['src']=src;
			tmp['x']=x;tmp['y']=y;tmp['width']=w;tmp['height']=h;
			tmp['angle']=angle;
			arr.push(tmp);
			return arr;
		}
		function ClearCollageManipulations(arr){ //Clears temporary array.
			//Defaults:
			if(arr==null) arr = collageManipulations;
			if(arr==null) arr = new Array();
			//Function:
			arr.length = 0;
			return arr;
		}
		function CompileCollageManipulations(bkgSrc,bkgW,bkgH,bkgSave,arr){ //Compiles manipulation data into HTTP-POST-query string.
			//Defaults:
			if(bkgSrc==null) bkgSrc=collageBackgroundImage;
			if(bkgSrc==null) bkgSrc='';
			if(bkgW==null) bkgW=collageBackgroundWidth;
			if(bkgW==null) bkgW=0;
			if(bkgH==null) bkgH=collageBackgroundHeight;
			if(bkgH==null) bkgH=0;
			if(bkgSave==null) bkgSave=collageSaveFile;
			if(bkgSave==null) bkgSave=false;
			if(arr==null) arr = collageManipulations;
			if(arr==null) arr = new Array();
			//Function:
			var saveCmd = ""; //Do NOT save by default.
			if(bkgSave) saveCmd = "&save=true"; //If expicitly stated to save the result - add this to request.
			return 'backgroundsrc='+bkgSrc+'&width='+bkgW+'&height='+bkgH+saveCmd+'&manipulations='+JSON.stringify(arr);
		}
		//Not actually a collage function, but helps getting element's rotation:
		function CollageGetElementAngle(el){
			var st = window.getComputedStyle(el, null);
			var tr = st.getPropertyValue("-webkit-transform") ||
			st.getPropertyValue("-moz-transform") ||
			st.getPropertyValue("-ms-transform") ||
			st.getPropertyValue("-o-transform") ||
			st.getPropertyValue("transform") ||
			"fail...";
			if(tr!=="none"){
				var values=tr.split('(')[1];values=values.split(')')[0];values=values.split(',');
				var a=values[0];var b=values[1]; var c=values[2]; var d=values[3];
				var scale=Math.sqrt(a*a+b*b);
				var radians=Math.atan2(b,a);
				var angle=Math.round(radians*(180/Math.PI));
				var radians=Math.atan2(b,a);
				if (radians<0)radians+=(2*Math.PI);
				var angle=Math.round(radians*(180/Math.PI));
			}else{
				var angle=0;
			}
			return angle;
		}