/*************************************************************************
A simple script to search through a paragraphs inside a element, and hides
all paragraphs that does not contains the searchword
---------------------------------------------------------------------------
Made by Jon Håvard Gundersen at XAIT in october 2006
**************************************************************************/

var paragraphsHasBeenSorted = false;

function findInPage(id, searchWordID){
	var div = document.getElementById(id);
    if(!paragraphsHasBeenSorted) {
        orderArticleParagraphs(div);
    }
		
	var paragraphs = div.getElementsByTagName("p");
	var obj = document.getElementById(searchWordID);
	var searchWord = obj.value.toUpperCase();

	for(var i = 0; i < paragraphs.length; i++){
		var aTag = paragraphs[i].getElementsByTagName('A')[0];
		if (aTag) {
		  var text = aTag.innerHTML;
		
		}else{
		  var text = paragraphs[i].innerHTML;	
		}
			
		if (text.toUpperCase().indexOf(searchWord) < 0) {
			paragraphs[i].style.display = 'none';
		}
		else {
			paragraphs[i].style.display = 'block';
		}
		
	}	
}


function orderArticleParagraphs(parentEl) {
	
	paragraphsHasBeenSorted = true;	
	var paragraphs = parentEl.getElementsByTagName("p");

	var elements = [];
	var domElements = [];
	for(var i=0;i<paragraphs.length;i++) {
		paragraphs[i].id = 'searchItem' + i;
		var aTag = paragraphs[i].getElementsByTagName('A')[0];
		if(aTag) {
			var text = aTag.innerHTML;
		}else{
			var text = paragraphs[i].innerHTML;
		}
		elements[i] = text+' SEPARATOR ' + paragraphs[i].id; 
		domElements[paragraphs[i].id] = paragraphs[i]; 
	}
	
	elements.sort();
	
	for(var i=0;i<elements.length;i++) {
		var tokens = elements[i].split(' SEPARATOR ');
		if (domElements[tokens[1]].innerHTML.length>10) {
			parentEl.appendChild(domElements[tokens[1]]);
		}else{
			parentEl.removeChild(domElements[tokens[1]]);
		}
	}
}