// data set of leet unicode chars
	//---------------------------------------------------

	//those go UP
	var zalgo_up = [
		'\u030d', /*     ̍     */		'\u030e', /*     ̎     */		'\u0304', /*     ̄     */		'\u0305', /*     ̅     */
		'\u033f', /*     ̿     */		'\u0311', /*     ̑     */		'\u0306', /*     ̆     */		'\u0310', /*     ̐     */
		'\u0352', /*     ͒     */		'\u0357', /*     ͗     */		'\u0351', /*     ͑     */		'\u0307', /*     ̇     */
		'\u0308', /*     ̈     */		'\u030a', /*     ̊     */		'\u0342', /*     ͂     */		'\u0343', /*     ̓     */
		'\u0344', /*     ̈́     */		'\u034a', /*     ͊     */		'\u034b', /*     ͋     */		'\u034c', /*     ͌     */
		'\u0303', /*     ̃     */		'\u0302', /*     ̂     */		'\u030c', /*     ̌     */		'\u0350', /*     ͐     */
		'\u0300', /*     ̀     */		'\u0301', /*     ́     */		'\u030b', /*     ̋     */		'\u030f', /*     ̏     */
		'\u0312', /*     ̒     */		'\u0313', /*     ̓     */		'\u0314', /*     ̔     */		'\u033d', /*     ̽     */
		'\u0309', /*     ̉     */		'\u0363', /*     ͣ     */		'\u0364', /*     ͤ     */		'\u0365', /*     ͥ     */
		'\u0366', /*     ͦ     */		'\u0367', /*     ͧ     */		'\u0368', /*     ͨ     */		'\u0369', /*     ͩ     */
		'\u036a', /*     ͪ     */		'\u036b', /*     ͫ     */		'\u036c', /*     ͬ     */		'\u036d', /*     ͭ     */
		'\u036e', /*     ͮ     */		'\u036f', /*     ͯ     */		'\u033e', /*     ̾     */		'\u035b', /*     ͛     */
		'\u0346', /*     ͆     */		'\u031a' /*     ̚     */
	];

	//those go DOWN
	var zalgo_down = [
		'\u0316', /*     ̖     */		'\u0317', /*     ̗     */		'\u0318', /*     ̘     */		'\u0319', /*     ̙     */
		'\u031c', /*     ̜     */		'\u031d', /*     ̝     */		'\u031e', /*     ̞     */		'\u031f', /*     ̟     */
		'\u0320', /*     Ì      */		'\u0324', /*     ̤     */		'\u0325', /*     Ì¥     */		'\u0326', /*     ̦     */
		'\u0329', /*     ̩     */		'\u032a', /*     ̪     */		'\u032b', /*     ̫     */		'\u032c', /*     ̬     */
		'\u032d', /*     ̭     */		'\u032e', /*     ̮     */		'\u032f', /*     ̯     */		'\u0330', /*     ̰     */
		'\u0331', /*     ̱     */		'\u0332', /*     ̲     */		'\u0333', /*     ̳     */		'\u0339', /*     ̹     */
		'\u033a', /*     ̺     */		'\u033b', /*     ̻     */		'\u033c', /*     ̼     */		'\u0345', /*     ͅ     */
		'\u0347', /*     ͇     */		'\u0348', /*     ͈     */		'\u0349', /*     ͉     */		'\u034d', /*     ͍     */
		'\u034e', /*     ÍŽ     */		'\u0353', /*     Í“     */		'\u0354', /*     Í”     */		'\u0355', /*     Í•     */
		'\u0356', /*     ͖     */		'\u0359', /*     ͙     */		'\u035a', /*     ͚     */		'\u0323' /*     ̣     */
	];
	
	//those always stay in the middle
	var zalgo_mid = [
		'\u0315', /*     ̕     */		'\u031b', /*     ̛     */		'\u0340', /*     ̀     */		'\u0341', /*     ́     */
		'\u0358', /*     ͘     */		'\u0321', /*     ̡     */		'\u0322', /*     ̢     */		'\u0327', /*     ̧     */
		'\u0328', /*     ̨     */		'\u0334', /*     ̴     */		'\u0335', /*     ̵     */		'\u0336', /*     ̶     */
		'\u034f', /*     ͏     */		'\u035c', /*     ͜     */		'\u035d', /*     ͝     */		'\u035e', /*     ͞     */
		'\u035f', /*     ÍŸ     */		'\u0360', /*     Í      */		'\u0362', /*     Í¢     */		'\u0338', /*     ̸     */
		'\u0337', /*     Ì·     */		'\u0361', /*     Í¡     */		'\u0489' /*     Ò‰_     */		
	];
	
	// rand funcs
	//---------------------------------------------------
	
	//gets an int between 0 and max
	function rand(max)
	{
		return Math.floor(Math.random() * max);
	}

	//gets a random char from a zalgo char table
	function rand_zalgo(array)
	{
		var ind = Math.floor(Math.random() * array.length);
		return array[ind];
	}
	
	// utils funcs
	//---------------------------------------------------
	
	//hide show element

	
	//lookup char to know if its a zalgo char or not
	function is_zalgo_char(c)
	{
		var i;
		for(i=0; i<zalgo_up.length; i++)
			if(c == zalgo_up[i])
				return true;
		for(i=0; i<zalgo_down.length; i++)
			if(c == zalgo_down[i])
				return true;
		for(i=0; i<zalgo_mid.length; i++)
			if(c == zalgo_mid[i])
				return true;
		return false;
	}
	

	
	// main shit
	//---------------------------------------------------
	function zalgo_textarea(id)
	{
		var p = document.getElementById(id);
		
		var txt = p.value;
		var newtxt = '';
			
		for(var i=0; i<txt.length; i++)
		{
			if(is_zalgo_char(txt.substr(i, 1)))
				continue;
			
			var num_up;
			var num_mid;
			var num_down;
			
			//add the normal character
			newtxt += txt.substr(i, 1);

			//options
			if(document.getElementById('zalgo_opt_mini').checked)
			{
				num_up = rand(8);
				num_mid = rand(2);
				num_down = rand(8);
			}
			else if(document.getElementById('zalgo_opt_normal').checked)
			{
				num_up = rand(16) / 2 + 1;
				num_mid = rand(6) / 2;
				num_down = rand(16) / 2 + 1;
			}
			else //maxi
			{
				num_up = rand(64) / 4 + 3;
				num_mid = rand(16) / 4 + 1;
				num_down = rand(64) / 4 + 3;
			}
			
			
			if(document.getElementById('zalgo_opt_up').checked)
				for(var j=0; j<num_up; j++)
					newtxt += rand_zalgo(zalgo_up);
			if(document.getElementById('zalgo_opt_mid').checked)
				for(var j=0; j<num_mid; j++)
					newtxt += rand_zalgo(zalgo_mid);
			if(document.getElementById('zalgo_opt_down').checked)
				for(var j=0; j<num_down; j++)
					newtxt += rand_zalgo(zalgo_down);
		}

		//result is in nextxt, display that
		
		//remove all children of zalgo_container
		var container = document.getElementById('zalgo_container');
		while(container.childNodes.length)
			container.removeChild(container.childNodes[0]);

		//build blocks for each line & create a <br />
		var lines = newtxt.split("\n");
		for(var i=0; i<lines.length; i++)
		{
			var n = document.createElement('text');
			n.innerHTML = lines[i];
			container.appendChild(n);
			var nl = document.createElement('br');
			container.appendChild(nl);
		}

		//done
	}