// JavaScript Document
function showhide(divid1,divid2,divid3,divid4) {
	var  maindiv = new Array('block1','block2','block3','block4','block5','block6','block7','block8','block9');
	var  titlediv = new Array('title1','title2','title3','title4','title5','title6','title7','title8','title9');
	var  textdiv = new Array('text1','text2','text3','text4','text5','text6','text7','text8','text9');
	var  imgdiv = new Array('img1','img2','img3','img4','img5','img6','img7','img8','img9');
		
	for (x=0; x<9; x++) {
		document.getElementById(maindiv[x]).style.display = "none";
		document.getElementById(titlediv[x]).className="bg_heading2";
		document.getElementById(textdiv[x]).className="bg_heading2_text";
		document.getElementById(imgdiv[x]).src="images/bulit-left-aro.jpg";
		document.getElementById(imgdiv[x]).width=7;
		document.getElementById(imgdiv[x]).height=7;
	}	 
	if(divid1=='block1')
	{
	document.getElementById('sid1').className="style11";
	}
	else
	{
	document.getElementById('sid1').className="";
	}
	if(divid1=='block2')
	{
	document.getElementById('sid2').className="style11";
	}
	else
	{
	document.getElementById('sid2').className="";
	}
	if(divid1=='block3')
	{
	document.getElementById('sid3').className="style20";
	}
	else
	{
	document.getElementById('sid3').className="";
	}
	if(divid1=='block4')
	{
	document.getElementById('sid4').className="style21";
	}
	else
	{
	document.getElementById('sid4').className="";
	}
	if(divid1=='block5')
	{
	document.getElementById('sid5').className="style21";
	}
	else
	{
	document.getElementById('sid5').className="";
	}
	if(divid1=='block6')
	{
	document.getElementById('sid6').className="style21";
	}
	else
	{
	document.getElementById('sid6').className="";
	}
	if(divid1=='block7')
	{
	document.getElementById('sid7').className="style21";
	}
	else
	{
	document.getElementById('sid7').className="";
	}
	if(divid1=='block8')
	{
	document.getElementById('sid8').className="style21";
	}
	else
	{
	document.getElementById('sid8').className="";
	}



	document.getElementById(divid1).style.display = "block";
	document.getElementById(divid4).src = "images/bulit-btm_aro.jpg";
	document.getElementById(divid4).width=10;
		document.getElementById(divid4).height=10;
	document.getElementById(divid2).className="bg_heading";
	document.getElementById(divid3).className="bg_heading_text";
	//class="style11"
}