function swicthProjDiv(x){
	var projdiv = document.getElementById('projectdiv'+x);
	if(projdiv.style.display=='none'){
		closePrevDiv();
		projdiv.style.display='';
		projdiv.className='selopenproject';
		document.getElementById('littleobj'+x).className='sellittleobj';
		document.getElementById('littleobjtop'+x).className='sellittleobjtop';
		document.getElementById('littleobjbot'+x).className='sellittleobjbot';
		document.getElementById('projectdivtr'+x).style.display='';
	}else{
		projdiv.style.display='none';
		projdiv.className='openproject';
		document.getElementById('littleobj'+x).className='littleobj';
		document.getElementById('littleobjtop'+x).className='littleobjtop';
		document.getElementById('littleobjbot'+x).className='littleobjbot';
		document.getElementById('projectdivtr'+x).style.display='none';
	}
}
function closePrevDiv(){
	var div = Array();
	var div = getElementsByClass('selopenproject');
	if(div[0]){
		div = div[0].id.split('projectdiv');
		var tehid = div[1];
		document.getElementById('projectdiv'+tehid).style.display='none';
		document.getElementById('projectdivtr'+tehid).style.display='none';
		document.getElementById('projectdiv'+tehid).className='openproject';
		document.getElementById('littleobj'+tehid).className='littleobj';
		document.getElementById('littleobjtop'+tehid).className='littleobjtop';
		document.getElementById('littleobjbot'+tehid).className='littleobjbot';
	}
}
function getElementsByClass(searchClass) {
	var classElements = new Array();
	var els = document.getElementsByTagName('*');
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\\\s)'+searchClass+'(\\\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}