function P7_TMenu(b,og) { //v2.5 by Project Seven Development(PVII)



 var i,s,c,k,j,tN,hh;

 if(document.getElementById){

	if(b.parentNode && b.parentNode.childNodes){

		tN=b.parentNode.childNodes;

	}

	else{

		return;

	}

	for(i=0;i<tN.length;i++){

		if(tN[i].tagName=="DIV"){

			s=tN[i].style.display;

			hh=(s=="block")?"none":"block";

			if(og==1){

				hh="block";

			}

			tN[i].style.display=hh;

		}

	}

	c=b.firstChild;

	if(c.data){

		k=c.data;

		

		j=k.charAt(0);

		if(j=='+'){

			k='-'+k.substring(1,k.length);

			// }else if(j=='-'){k='+'+k.substring(1,k.length);}c.data=k;}if(b.className=='p7plusmark'){

			// b.className='p7minusmark';}else if(b.className=='p7minusmark'){b.className='p7plusmark';}}

		} else if(j=='-'){

			k='+'+k.substring(1,k.length);

		}

		c.data=k;

	}

	if(b.className=='p7plusmark'){

		if(hh=='block'){

			b.className='p7minusmark';

		}

	} else if(b.className=='p7minusmark'){

		if(hh=='none'){

			b.className='p7plusmark';}

		}

	}

}



function P7_setTMenu(){ //v2.5 by Project Seven Development(PVII)

 var i,d='',h='<style type=\"text/css\">';

 if(document.getElementById){

 	var tA=navigator.userAgent.toLowerCase();

	if(window.opera){

		if(tA.indexOf("opera 5")>-1 || tA.indexOf("opera 6")>-1){

			return;

		}

	}

	for(i=1;i<20;i++){

		d+='div ';

		h+="\n#p7TMnav div "+d+"{display:none;}";

	}

	document.write(h+"\n</style>");

 }

}

P7_setTMenu(); 



function P7_TMopen(openId){ //v2.5 by Project Seven Development(PVII)

 var i,x,d,hr,ha,ef,a,ag;

 var swid = '';

 var swdoc; 

 var openId2;

 if(document.getElementById){

	d=document.getElementById('p7TMnav');

 	if(d){

		hr=window.location.href;

		ha=d.getElementsByTagName("A");

		if(ha&&ha.length){

			for(i=0;i<ha.length;i++){

				if(ha[i].href){

					if(hr.indexOf(ha[i].href)>-1){

						ha[i].className="p7currentmark";

						

						//alert("hr="+hr+"\r\nha="+ha[i].href);

						if (hr == ha[i].href && ha[i].parentNode.firstChild.firstChild.id)

						{

							P7_TMenu(ha[i],1);

							swid = ha[i].parentNode.firstChild.firstChild.id; 

							//alert(swid);

							

							swdoc=document.getElementById(swid);

							swdoc.src = "http://www.montana.edu/msucommon/images/p7t_minus.gif";				

						}

						

						a=ha[i].parentNode.parentNode; 



						while(a){

							if(a.firstChild && a.firstChild.tagName=="A"){

								if(a.firstChild.onclick){

									ag=a.firstChild.onclick.toString();

									if(ag&&ag.indexOf("P7_TMenu")>-1){

										P7_TMenu(a.firstChild,1);

										swid = a.firstChild.firstChild.id;

										swdoc= document.getElementById(swid);

										if (swdoc) {

											swdoc.src = "http://www.montana.edu/msucommon/images/p7t_minus.gif";

										}

									}

								}

							}

							a=a.parentNode;

						}

					}

				}

			}

		}

	}

 } 

 if(openId) {

	 openId2 = document.getElementById(openId);

	 swid = openId2.parentNode;

	 //alert(swid);

	 P7_TMenu(swid,1); 

	 //alert(openId.parentNode.firstChild.id);

	 swdoc=document.getElementById(openId2.parentNode.firstChild.id);

  	 swdoc.src = "http://www.montana.edu/msucommon/images/p7t_minus.gif";

 }

}



function P7_TMall(a){ //v2.5 by Project Seven Development(PVII)

 var i,x,ha,s,tN;

 if(document.getElementById){

	ha=document.getElementsByTagName("A");

	for(i=0;i<ha.length;i++){

		if(ha[i].onclick){

			ag=ha[i].onclick.toString();

			if(ag&&ag.indexOf("P7_TMenu")>-1){

				if(ha[i].parentNode && ha[i].parentNode.childNodes){

					tN=ha[i].parentNode.childNodes;

				} else {

					break;

				}

				for(x=0;x<tN.length;x++){

					if(tN[x].tagName=="DIV"){

						s=tN[x].style.display;

						if(a==0&&s!='block'){

							P7_TMenu(ha[i]);

						} else if(a==1&&s=='block'){

							P7_TMenu(ha[i]);

						}

						break;

					}

				}

			}

		}

	}

 }

}



function P7_TMclass(){ //v2.5 by Project Seven Development(PVII)

 if(!document.p7tmclass){

	document.p7tmclass=1;

 }

 else{

	return;

 }

 var i,x,d,tN,ag;

 if(document.getElementById){

	d=document.getElementById('p7TMnav');

	if(d){

		tN=d.getElementsByTagName("A");

		if(tN&&tN.length){

			for(i=0;i<tN.length;i++){

				ag=(tN[i].onclick)?tN[i].onclick.toString():false;

				if(ag&&ag.indexOf("P7_TMenu")>-1){

					tN[i].className='p7plusmark';

				} else { 

					tN[i].className='p7defmark';

				}

			}

		}

	}

 }

}



function MM_reloadPage(init) {  //Netscape 4 Resize Fix

 if (init==true) with (navigator) {

	if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {

    	document.MM_pgW=innerWidth;

		document.MM_pgH=innerHeight;

		onresize=MM_reloadPage; 

	}

 }

 else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) 

 	location.reload();

}

MM_reloadPage(true);



function swapImage(img) {

switch (img.src) {

 case "http://www.montana.edu/msucommon/images/p7t_minus.gif":

   img.src = "http://www.montana.edu/msucommon/images/p7t_plus.gif"

   return(false);

 case "http://www.montana.edu/msucommon/images/p7t_plus.gif":

   img.src = "http://www.montana.edu/msucommon/images/p7t_minus.gif"

   return(false);

 }

}



