//fpv=3
function mw_dom_get_parent_by_tagname(child,tagname) {
	tagname=tagname.toUpperCase();
	if (child.parentNode){
		if (child.parentNode.nodeName==tagname){
			return child.parentNode;
		}else{
			return 	mw_dom_get_parent_by_tagname(child.parentNode,tagname);
		}
	}else{
		return false;	
	}
}
function mw_dom_get_child_by_id(parent,idch) {
	if (childn=parent.childNodes){
		for (x=0;x<childn.length;x++){
			if(childn[x].id==idch){
				return 	childn[x];
			}
		}
	}
}
function mw_dom_get_childdeep_by_idandtagname(parent,idch,tagname) {
	tagname=tagname.toUpperCase();
	if (elems=parent.getElementsByTagName(tagname)){
		for (z=0;z<elems.length;z++){
			if(elems[z].id==idch){
				return 	elems[z];
			}
		}
	}
}
function mw_dom_get_parent_by_name(child,name) {
	//tagname=tagname.toUpperCase();
	if (child.parentNode){
		if (child.parentNode.name==name){
			return child.parentNode;
		}else{
			return 	mw_dom_get_parent_by_name(child.parentNode,name);
		}
	}else{
		return false;	
	}
}