/*
	Tags
*/

function autotags() {
	myregexp = new RegExp(/[\W_]+/g);
	var titleValue = document.upload_one.title.value;
	var tagsValue = document.upload_one.tags.value;
	var cleanTitle = titleValue.replace(myregexp, ' ');
	cleanTitle = cleanTitle.toLowerCase();
	var titleTags = cleanTitle.split(' ');

	var already = tagsValue.toLowerCase().split(' ');
	for(var i=0; i< titleTags.length; i++)
	{
	   if(titleTags[i].length <= 2)
		  continue;
	   var found = false;
	   for(var j=0; j< already.length; j++)
	   {
		   if(already[j] == titleTags[i]) 
		   {
			   found = true;
			   break;
		   }

	   }
	   if(!found)
		   document.upload_one.tags.value += ' ' + titleTags[i];
	}
	document.upload_one.tags.value = document.upload_one.tags.value.replace(/^\s+|\s+$/g, '');
}

function autotags_multi(num) {
	myregexp = new RegExp(/[\W_]+/g);
	var titleValue = document.getElementById('ti_'+num).value;
	var tagsValue = document.getElementById('ta_'+num).value;
	var cleanTitle = titleValue.replace(myregexp, ' ');
	cleanTitle = cleanTitle.toLowerCase();
	var titleTags = cleanTitle.split(' ');

	var already = tagsValue.toLowerCase().split(' ');
	for(var i=0; i< titleTags.length; i++)
	{
	   if(titleTags[i].length <= 2)
		  continue;
	   var found = false;
	   for(var j=0; j< already.length; j++)
	   {
		   if(already[j] == titleTags[i]) 
		   {
			   found = true;
			   break;
		   }

	   }
	   if(!found)
		   document.getElementById('ta_'+num).value += ' ' + titleTags[i];
	}
	document.getElementById('ta_'+num).value = document.getElementById('ta_'+num).value.replace(/^\s+|\s+$/g, '');
}