/* Event Functions */





// Add an event to the obj given


// event_name refers to the event trigger, without the "on", like click or mouseover


// func_name refers to the function callback when event is triggered


function addEvent(obj,event_name,func_name){


	if (obj.attachEvent){


		obj.attachEvent("on"+event_name, func_name);


	}else if(obj.addEventListener){


		obj.addEventListener(event_name,func_name,true);


	}else{


		obj["on"+event_name] = func_name;


	}


}





// Removes an event from the object


function removeEvent(obj,event_name,func_name){


	if (obj.detachEvent){


		obj.detachEvent("on"+event_name,func_name);


	}else if(obj.removeEventListener){


		obj.removeEventListener(event_name,func_name,true);


	}else{


		obj["on"+event_name] = null;


	}


}





// Stop an event from bubbling up the event DOM


function stopEvent(evt){


	evt || window.event;


	if (evt.stopPropagation){


		evt.stopPropagation();


		evt.preventDefault();


	}else if(typeof evt.cancelBubble != "undefined"){


		evt.cancelBubble = true;


		evt.returnValue = false;


	}


	return false;


}





// Get the obj that starts the event


function getElement(evt){


	if (window.event){


		return window.event.srcElement;


	}else{


		return evt.currentTarget;


	}


}


// Get the obj that triggers off the event


function getTargetElement(evt){


	if (window.event){


		return window.event.srcElement;


	}else{


		return evt.target;


	}


}


// For IE only, stops the obj from being selected


function stopSelect(obj){


	if (typeof obj.onselectstart != 'undefined'){


		addEvent(obj,"selectstart",function(){ return false;});


	}


}





/*    Caret Functions     */





// Get the end position of the caret in the object. Note that the obj needs to be in focus first


function getCaretEnd(obj){


	if(typeof obj.selectionEnd != "undefined"){


		return obj.selectionEnd;


	}else if(document.selection&&document.selection.createRange){


		var M=document.selection.createRange();


		try{


			var Lp = M.duplicate();


			Lp.moveToElementText(obj);


		}catch(e){


			var Lp=obj.createTextRange();


		}


		Lp.setEndPoint("EndToEnd",M);


		var rb=Lp.text.length;


		if(rb>obj.value.length){


			return -1;


		}


		return rb;


	}


}


// Get the start position of the caret in the object


function getCaretStart(obj){


	if(typeof obj.selectionStart != "undefined"){


		return obj.selectionStart;


	}else if(document.selection&&document.selection.createRange){


		var M=document.selection.createRange();


		try{


			var Lp = M.duplicate();


			Lp.moveToElementText(obj);


		}catch(e){


			var Lp=obj.createTextRange();


		}


		Lp.setEndPoint("EndToStart",M);


		var rb=Lp.text.length;


		if(rb>obj.value.length){


			return -1;


		}


		return rb;


	}


}


// sets the caret position to l in the object


function setCaret(obj,l){


	obj.focus();


	if (obj.setSelectionRange){


		obj.setSelectionRange(l,l);


	}else if(obj.createTextRange){


		m = obj.createTextRange();		


		m.moveStart('character',l);


		m.collapse();


		m.select();


	}


}


// sets the caret selection from s to e in the object


function setSelection(obj,s,e){


	obj.focus();


	if (obj.setSelectionRange){


		obj.setSelectionRange(s,e);


	}else if(obj.createTextRange){


		m = obj.createTextRange();		


		m.moveStart('character',s);


		m.moveEnd('character',e);


		m.select();


	}


}





/*    Escape function   */


String.prototype.addslashes = function(){


	return this.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, '\\$1');


}


String.prototype.trim = function () {


    return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");


};


/* --- Escape --- */





/* Offset position from top of the screen */


function curTop(obj){


	toreturn = 0;


	while(obj){


		toreturn += obj.offsetTop;


		obj = obj.offsetParent;


	}


	return toreturn;


}


function curLeft(obj){


	toreturn = 0;


	while(obj){


		toreturn += obj.offsetLeft;


		obj = obj.offsetParent;


	}


	return toreturn;


}


/* ------ End of Offset function ------- */





/* Types Function */





// is a given input a number?


function isNumber(a) {


    return typeof a == 'number' && isFinite(a);


}





/* Object Functions */





function replaceHTML(obj,text){


	while(el = obj.childNodes[0]){


		obj.removeChild(el);


	};


	obj.appendChild(document.createTextNode(text));


}