function ToggleDiv(tDiv,status){if (status==1) document.getElementById(tDiv).style.display="";else document.getElementById(tDiv).style.display="none";}
function File_GetExtension(file){tmp=file.split(".");return tmp[tmp.length-1].toLowerCase();}
function RemoveSpaces(mystring){sf = 1;while (sf){if (mystring.indexOf("  ")!=-1){mystring=mystring.replace("  "," ");}else sf=0;}return mystring;}
function trim(mystring){if (mystring.charAt(0)==" ")mystring=mystring.substr(1,mystring.length - 1);if (mystring.charAt(mystring.length-1)==" ") mystring=mystring.substr(0,mystring.length-1);return mystring;}
function tagsBuild(tagString) {
	tagString=trim(RemoveSpaces(tagString));
	tags = tagString.split(",");
	returnTags = "";
	for (i=0;i<tags.length;i++) {
		cTag=trim(RemoveSpaces(tags[i].toLowerCase()));
		if(cTag!="") returnTags+=cTag+", ";
	}
	if (returnTags.substr(returnTags.length-2) == ", ") returnTags=returnTags.substr(0, returnTags.length-2);
	return returnTags;
}