/*
Simply4Doctors Australia additional JS functions

*/
//define the message for the exit ramp
exitMessage='Thank you for visiting the simply4doctors website. You are now leaving the site. Please note that the information provided on external websites may not comply with Australian regulatory requirements. Please refer to individual Company Product Information for information relevant to the Australian environment.';

function addMasterScript(){
	//this adds in the master root.js file which includes all basic JS functionality
	//this must be included in all local js files 
	//Do not copy code from the root.js file, use this function to import it instead
	if(document.getElementById){
		//browser supports getElementById - attempt to add js functionality
		//this is a site-specific js file so include the master
		//create a script element
		if(document.createElement){
			elRootScript=document.createElement('script');		
			if(elRootScript){
				//include master file
				elRootScript.src='/_mshost81109/system/styles/root/javascript/root.js';
				//elRootScript.src='../styles/root/javascript/root.js';
				elRootScript.type='text/javascript';
				//get a handle to this script file
				elHead=document.getElementsByTagName('head');
				if(elHead){
					//get script
					elExistingScript=document.getElementsByTagName('script');
					if(elExistingScript){
						//add into head before previous element
						elHead[0].insertBefore(elRootScript,elExistingScript[0]);
						//attachEvents function is called when the master file loads 
						//so global functionality is still enabled
					}
				}
				elScript=document.createElement('script');
				elScript.src='/_mshost81109/system/styles/root/javascript/calculator.js';
				elScript.type='text/javascript';
				if(elHead){
					//get script
					elExistingScript=document.getElementsByTagName('script');
					if(elExistingScript){
						//add into head before previous element
						elHead[0].insertBefore(elScript,elExistingScript[0]);
					}
				}
			}
		}
	}
}	

//call the above function
addMasterScript();

var toCall=new Array;	
toCall[0]=decorateAAP;	
toCall[1]=attachExitRamps;	

function decorateAAP(){
	//is this an AAP news article?
	var contentFooter=document.getElementById('contentfooter');
	if(contentFooter){
		//check inner text of source dd
		var dd=contentFooter.getElementsByTagName('dd');
		if(dd){
			ddInnerText=dd[0].innerHTML;
			if(ddInnerText.indexOf('Australian Associated Press')!==-1){
				//it is an AAP article
				var href='http://www.simply4doctors.com.au/current-news/?itemId=1329489';
				//create the link to right of article_header
				var upper_div = document.createElement('div');
				upper_div.setAttribute('id','news_provider_upper');
				var upper_a = document.createElement('a');
				upper_a.href=href;
				linkText=document.createTextNode('Brought to you by AAP');
				upper_a.appendChild(linkText);
				upper_div.appendChild(upper_a);
				//add in to right of article_header
				//if there is an introductory paragraph, add it to that
				var inserted=false;
				contentHolder=document.getElementById('contentholder');
				if(contentHolder){
					contentChildren=contentHolder.getElementsByTagName('p');
					if(contentChildren){
						//are there any tags whose direct parent is contentHolder?
						for(i=0;i<contentChildren.length;i++){
							if(contentChildren[i].parentNode==contentHolder){
								//there is an introductory paragraph - add the upper div here
								contentHolder.insertBefore(upper_div, contentChildren[i]);						
								inserted=true;
							}
						}
					}
					if(!inserted){
						documentHolder=document.getElementById('documentholder');
						if(documentHolder){
							firstEl=documentHolder.getElementsByTagName('div');
							if(firstEl){
								firstEl[0].insertBefore(upper_div,firstEl[0].firstChild);
							}
						}	
					}
				}
			}
		}
	}
}

// ensure exit ramp is added to any events or useful links which link to urls which start http://
function attachExitRamps(){
	var eventDiv=document.getElementById('useful_links_branch') || document.getElementById('events');
	if (eventDiv){
		var contentDiv=document.getElementById('contentholder');
		if (contentDiv){
			var links=contentDiv.getElementsByTagName('a');
			for (var i=0; i < links.length; i++){
				href=links[i].href;
				if (links[i].href.length>=4&&links[i].href.substring(0,4)=='http'){
					attr=getAttributeCrossBrowser(links[i],'class');
					if(attr){
						attr+=' external';
					}else{
						attr='external';
					}
					setAttributeCrossBrowser(links[i],'class',attr);
				}
			}
			findExitRamps();
		}
	}
}