//backround style picker (one for ieWin, one for everyone else)



var ISieWIN = false;

var agt=navigator.userAgent.toLowerCase();

var appVer = navigator.appVersion.toLowerCase();

var is_minor = parseFloat(appVer);

var is_major = parseInt(is_minor);

var iePos = appVer.indexOf('msie');

if (iePos !=-1) {

	is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))

	is_major = parseInt(is_minor);

}

var is_ie = ((iePos!=-1));

var is_ie6 = (is_ie && is_major == 6);





function switchBack()

{

	if(is_ie6)

	{

		

		//document.write('<sytle type="text/css"> .contentAlpha { filter: alpha(opacity=20); filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20); }</style>');

		

		document.write('<div class="content" width="12" style="filter: alpha(opacity=20); filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20);">');

	}

	else

	{

		

		document.write('<div class="content" style="background-image:url(images/back_20.png);">');

	}

}





function switchScrap()

{

	if(is_ie6)

	{

		

		//document.write('<sytle type="text/css"> .contentAlpha { filter: alpha(opacity=20); filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20); }</style>');

		

		document.write('<div class="content" width="12" style="filter: alpha(opacity=20); filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20);">');

	}

	else

	{

		

		document.write('<div class="content" style="background-image:url(../images/back_20.png);">');

	}

}

























function showorhidex(stait,leaher)

{



	if (stait)//is one

	{

		visi="visible";

	}

	else

	{

		visi="hidden";

	}





	if(document.all)

	{

		var eString = "document.all." + leaher + ".style.visibility=visi;document.all." + leaher + "Cover.style.visibility=visi;";

		eval(eString); 

	}

	else if (document.getElementById)

	{

		document.getElementById(leaher).style.visibility=visi;

		document.getElementById(leaher+"Cover").style.visibility=visi; 

	}


}











var sections = new Array("instructors","course","media");

var mins = new Array("150","315","530");

var subs = new Array("250","90","-120");





function posit()

{

	var post;

	//var mins = 109;//o+position

	//var subs = 276;//center offset

	

	if(document.all)

	{

	

		for(i=0;i<sections.length;i++)

		{

			post = Math.max(mins[i],((document.body.clientWidth/2)-subs[i]));

		

			eval("document.all." + sections[i] + ".style.left = post;"); 

			eval("document.all." + sections[i] + "Cover.style.left = post-20;"); 

		}		



	}

	else if (document.getElementById)

	{

		

		for(i=0;i<sections.length;i++)

		{

			 

			

			post = Math.max(mins[i],((self.innerWidth/2)-subs[i]));

			

			eval("document.getElementById('"+sections[i]+"').style.left = post"); 

			eval("document.getElementById('"+sections[i]+"Cover').style.left = post-20"); 

		}

		 

	}

}







function MM_openBrWindow(url,name,tools) 

{ 



	winp = open(url,name,tools);

	//winp.focus();

}